110112112120221 has 16 divisors (see below), whose sum is σ = 163129694833920. Its totient is φ = 73407786818400.

The previous prime is 110112112120189. The next prime is 110112112120247. The reversal of 110112112120221 is 122021211211011.

It is a happy number.

110112112120221 is a `hidden beast` number, since 1 + 10 + 11 + 211 + 212 + 0 + 221 = 666.

It is not a de Polignac number, because 110112112120221 - 2⁵ = 110112112120189 is a prime.

It is a super-2 number, since 2×110112112120221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 110112112120194 and 110112112120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110112112127221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 871360 + ... + 14865513.

It is an arithmetic number, because the mean of its divisors is an integer number (10195605927120).

Almost surely, 2^{110112112120221} is an apocalyptic number.

It is an amenable number.

110112112120221 is a deficient number, since it is larger than the sum of its proper divisors (53017582713699).

110112112120221 is a wasteful number, since it uses less digits than its factorization.

110112112120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15996033 (or 15996027 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 110112112120221 its reverse (122021211211011), we get a palindrome (232133323331232).

The spelling of 110112112120221 in words is "one hundred ten trillion, one hundred twelve billion, one hundred twelve million, one hundred twenty thousand, two hundred twenty-one".