112221012212122 has 64 divisors (see below), whose sum is σ = 186660456998400. Its totient is φ = 50177784790080.

The previous prime is 112221012212119. The next prime is 112221012212123. The reversal of 112221012212122 is 221212210122211.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 112221012212093 and 112221012212102.

It is not an unprimeable number, because it can be changed into a prime (112221012212123) 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 31 ways as a sum of consecutive naturals, for example, 151254753 + ... + 151994875.

It is an arithmetic number, because the mean of its divisors is an integer number (2916569640600).

Almost surely, 2^{112221012212122} is an apocalyptic number.

112221012212122 is a deficient number, since it is larger than the sum of its proper divisors (74439444786278).

112221012212122 is a wasteful number, since it uses less digits than its factorization.

112221012212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740731.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 112221012212122 its reverse (221212210122211), we get a palindrome (333433222334333).

The spelling of 112221012212122 in words is "one hundred twelve trillion, two hundred twenty-one billion, twelve million, two hundred twelve thousand, one hundred twenty-two".