222120200122122 has 32 divisors (see below), whose sum is σ = 453710500992000. Its totient is φ = 72461842814448.

The previous prime is 222120200122097. The next prime is 222120200122123. The reversal of 222120200122122 is 221221002021222.

It is a super-2 number, since 2×222120200122122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222120200122123) 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, 8722372 + ... + 22810527.

It is an arithmetic number, because the mean of its divisors is an integer number (14178453156000).

Almost surely, 2^{222120200122122} is an apocalyptic number.

222120200122122 is an abundant number, since it is smaller than the sum of its proper divisors (231590300869878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222120200122122 is a wasteful number, since it uses less digits than its factorization.

222120200122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31557930.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222120200122122 its reverse (221221002021222), we get a palindrome (443341202143344).

The spelling of 222120200122122 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred million, one hundred twenty-two thousand, one hundred twenty-two".