111222212400122 has 32 divisors (see below), whose sum is σ = 176029979241600. Its totient is φ = 52559439710400.

The previous prime is 111222212400113. The next prime is 111222212400199. The reversal of 111222212400122 is 221004212222111.

It is a happy number.

It is a super-2 number, since 2×111222212400122² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187559972 + ... + 188152032.

It is an arithmetic number, because the mean of its divisors is an integer number (5500936851300).

Almost surely, 2^{111222212400122} is an apocalyptic number.

111222212400122 is a deficient number, since it is larger than the sum of its proper divisors (64807766841478).

111222212400122 is a wasteful number, since it uses less digits than its factorization.

111222212400122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603782.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 111222212400122 its reverse (221004212222111), we get a palindrome (332226424622233).

The spelling of 111222212400122 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred twelve million, four hundred thousand, one hundred twenty-two".