222021112221102 has 32 divisors (see below), whose sum is σ = 445649309940384. Its totient is φ = 73739194675200.

The previous prime is 222021112221091. The next prime is 222021112221197. The reversal of 222021112221102 is 201122211120222.

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, 203151402 + ... + 204241362.

It is an arithmetic number, because the mean of its divisors is an integer number (13926540935637).

Almost surely, 2^{222021112221102} is an apocalyptic number.

222021112221102 is an abundant number, since it is smaller than the sum of its proper divisors (223628197719282).

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

222021112221102 is a wasteful number, since it uses less digits than its factorization.

222021112221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212804.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222021112221102 its reverse (201122211120222), we get a palindrome (423143323341324).

The spelling of 222021112221102 in words is "two hundred twenty-two trillion, twenty-one billion, one hundred twelve million, two hundred twenty-one thousand, one hundred two".