Search a number
-
+
112210200122221 = 627911787042731
BaseRepresentation
bin11001100000110111111001…
…000111100101001101101101
3112201022012010210000012210001
4121200313321013211031231
5104201422442212402341
61034352353154544301
732430630235550365
oct3140677107451555
9481265123005701
10112210200122221
1132832095722a53
1210703108b98091
134a7c4b813cc76
141d9d0074499a5
15ce8ca13a2d31
hex660df91e536d

112210200122221 has 4 divisors (see below), whose sum is σ = 112211987227744. Its totient is φ = 112208413016700.

The previous prime is 112210200122191. The next prime is 112210200122299. The reversal of 112210200122221 is 122221002012211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112210200122221 - 29 = 112210200121709 is a prime.

It is a super-2 number, since 2×1122102001222212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112210200122021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893458575 + ... + 893584156.

It is an arithmetic number, because the mean of its divisors is an integer number (28052996806936).

Almost surely, 2112210200122221 is an apocalyptic number.

It is an amenable number.

112210200122221 is a deficient number, since it is larger than the sum of its proper divisors (1787105523).

112210200122221 is an equidigital number, since it uses as much as digits as its factorization.

112210200122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787105522.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112210200122221 its reverse (122221002012211), we get a palindrome (234431202134432).

The spelling of 112210200122221 in words is "one hundred twelve trillion, two hundred ten billion, two hundred million, one hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 62791 1787042731 112210200122221