222100021222122 has 32 divisors (see below), whose sum is σ = 451944069696000. Its totient is φ = 72743864826608.

The previous prime is 222100021222117. The next prime is 222100021222139. The reversal of 222100021222122 is 221222120001222.

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, 148709358 + ... + 150195449.

It is an arithmetic number, because the mean of its divisors is an integer number (14123252178000).

Almost surely, 2^{222100021222122} is an apocalyptic number.

222100021222122 is an abundant number, since it is smaller than the sum of its proper divisors (229844048473878).

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

222100021222122 is a wasteful number, since it uses less digits than its factorization.

222100021222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298906970.

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

Adding to 222100021222122 its reverse (221222120001222), we get a palindrome (443322141223344).

The spelling of 222100021222122 in words is "two hundred twenty-two trillion, one hundred billion, twenty-one million, two hundred twenty-two thousand, one hundred twenty-two".