110112112221 has 16 divisors (see below), whose sum is σ = 150866782848. Its totient is φ = 71384932800.

The previous prime is 110112112153. The next prime is 110112112283. The reversal of 110112112221 is 122211211011.

It is a happy number.

It is not a de Polignac number, because 110112112221 - 2¹³ = 110112104029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110112112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110112512221) 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, 67650 + ... + 474131.

It is an arithmetic number, because the mean of its divisors is an integer number (9429173928).

Almost surely, 2^110112112221 is an apocalyptic number.

It is an amenable number.

110112112221 is a deficient number, since it is larger than the sum of its proper divisors (40754670627).

110112112221 is a wasteful number, since it uses less digits than its factorization.

110112112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543652.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 110112112221 its reverse (122211211011), we get a palindrome (232323323232).

The spelling of 110112112221 in words is "one hundred ten billion, one hundred twelve million, one hundred twelve thousand, two hundred twenty-one".