222100221122122 has 32 divisors (see below), whose sum is σ = 383085928512000. Its totient is φ = 94600156845168.

The previous prime is 222100221122111. The next prime is 222100221122141. The reversal of 222100221122122 is 221221122001222.

It is a junction number, because it is equal to n+sod(n) for n = 222100221122093 and 222100221122102.

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, 131285029 + ... + 132966007.

It is an arithmetic number, because the mean of its divisors is an integer number (11971435266000).

Almost surely, 2^{222100221122122} is an apocalyptic number.

222100221122122 is a deficient number, since it is larger than the sum of its proper divisors (160985707389878).

222100221122122 is a wasteful number, since it uses less digits than its factorization.

222100221122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739050.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222100221122122 its reverse (221221122001222), we get a palindrome (443321343123344).

The spelling of 222100221122122 in words is "two hundred twenty-two trillion, one hundred billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".