202100222221122 has 16 divisors (see below), whose sum is σ = 404246707617312. Its totient is φ = 67359030211200.

The previous prime is 202100222221111. The next prime is 202100222221181. The reversal of 202100222221122 is 221122222001202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1927575504 + ... + 1927680347.

It is an arithmetic number, because the mean of its divisors is an integer number (25265419226082).

Almost surely, 2^{202100222221122} is an apocalyptic number.

202100222221122 is an abundant number, since it is smaller than the sum of its proper divisors (202146485396190).

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

202100222221122 is a wasteful number, since it uses less digits than its factorization.

202100222221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855264593.

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

Adding to 202100222221122 its reverse (221122222001202), we get a palindrome (423222444222324).

The spelling of 202100222221122 in words is "two hundred two trillion, one hundred billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-two".