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112112212002021 = 3471117975342633
BaseRepresentation
bin11001011111011100101000…
…100100100100010011100101
3112200221211012211001221210000
4121133130220210210103211
5104143321302233031041
61034235350021251513
732420561061352560
oct3137345044442345
9480854184057700
10112112212002021
11327a4581a08a30
12106a8120b63b99
134a731a03a6c5a
141d9838d6974d7
15ce6468ac5bb6
hex65f7289244e5

112112212002021 has 40 divisors (see below), whose sum is σ = 208801580036544. Its totient is φ = 58240110127680.

The previous prime is 112112212001857. The next prime is 112112212002053. The reversal of 112112212002021 is 120200212211211.

112112212002021 is a `hidden beast` number, since 11 + 211 + 221 + 20 + 0 + 202 + 1 = 666.

It is not a de Polignac number, because 112112212002021 - 29 = 112112212001509 is a prime.

It is a super-2 number, since 2×1121122120020212 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112112212001985 and 112112212002003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112112212002521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8987665080 + ... + 8987677553.

Almost surely, 2112112212002021 is an apocalyptic number.

112112212002021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112112212002021 is a deficient number, since it is larger than the sum of its proper divisors (96689368034523).

112112212002021 is a wasteful number, since it uses less digits than its factorization.

112112212002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17975342663 (or 17975342654 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 112112212002021 its reverse (120200212211211), we get a palindrome (232312424213232).

The spelling of 112112212002021 in words is "one hundred twelve trillion, one hundred twelve billion, two hundred twelve million, two thousand, twenty-one".

Divisors: 1 3 7 9 11 21 27 33 63 77 81 99 189 231 297 567 693 891 2079 6237 17975342633 53926027899 125827398431 161778083697 197728768963 377482195293 485334251091 593186306889 1132446585879 1384101382741 1456002753273 1779558920667 3397339757637 4152304148223 5338676762001 10192019272911 12456912444669 16016030286003 37370737334007 112112212002021