222221002120122 has 32 divisors (see below), whose sum is σ = 451757854063872. Its totient is φ = 72859888813824.

The previous prime is 222221002120121. The next prime is 222221002120157. The reversal of 222221002120122 is 221021200122222.

It is not an unprimeable number, because it can be changed into a prime (222221002120121) 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, 691057083 + ... + 691378574.

It is an arithmetic number, because the mean of its divisors is an integer number (14117432939496).

Almost surely, 2^{222221002120122} is an apocalyptic number.

222221002120122 is an abundant number, since it is smaller than the sum of its proper divisors (229536851943750).

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

222221002120122 is a wasteful number, since it uses less digits than its factorization.

222221002120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382436102.

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

Adding to 222221002120122 its reverse (221021200122222), we get a palindrome (443242202242344).

The spelling of 222221002120122 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two million, one hundred twenty thousand, one hundred twenty-two".