221222120102022 has 32 divisors (see below), whose sum is σ = 497194865250048. Its totient is φ = 65108851400736.

The previous prime is 221222120101979. The next prime is 221222120102101. The reversal of 221222120102022 is 220201021222122.

It is a self number, because there is not a number n which added to its sum of digits gives 221222120102022.

It is a congruent number.

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, 61656107488 + ... + 61656111075.

It is an arithmetic number, because the mean of its divisors is an integer number (15537339539064).

Almost surely, 2^{221222120102022} is an apocalyptic number.

221222120102022 is an abundant number, since it is smaller than the sum of its proper divisors (275972745148026).

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

221222120102022 is a wasteful number, since it uses less digits than its factorization.

221222120102022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123312218604.

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

Adding to 221222120102022 its reverse (220201021222122), we get a palindrome (441423141324144).

The spelling of 221222120102022 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, one hundred twenty million, one hundred two thousand, twenty-two".