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112210120121 = 1118795428909
BaseRepresentation
bin110100010000000111…
…1101000110110111001
3101201122010010201012212
41220200033220312321
53314301242320441
6123314300144505
711051446166231
oct1504017506671
9351563121185
10112210120121
1143651762070
12198b6b38135
13a7733629a8
145606936cc1
152dbb162eeb
hex1a203e8db9

112210120121 has 8 divisors (see below), whose sum is σ = 122476209600. Its totient is φ = 101954892240.

The previous prime is 112210120097. The next prime is 112210120147. The reversal of 112210120121 is 121021012211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112210120121 is a prime.

It is a super-2 number, since 2×1122101201212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112210120096 and 112210120105.

It is not an unprimeable number, because it can be changed into a prime (112210120921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2693786 + ... + 2735123.

It is an arithmetic number, because the mean of its divisors is an integer number (15309526200).

Almost surely, 2112210120121 is an apocalyptic number.

112210120121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112210120121 is a deficient number, since it is larger than the sum of its proper divisors (10266089479).

112210120121 is a wasteful number, since it uses less digits than its factorization.

112210120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5430799.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112210120121 its reverse (121021012211), we get a palindrome (233231132332).

The spelling of 112210120121 in words is "one hundred twelve billion, two hundred ten million, one hundred twenty thousand, one hundred twenty-one".

Divisors: 1 11 1879 20669 5428909 59717999 10200920011 112210120121