222121202101122 has 32 divisors (see below), whose sum is σ = 464320977334272. Its totient is φ = 70704578595024.

The previous prime is 222121202101103. The next prime is 222121202101151. The reversal of 222121202101122 is 221101202121222.

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, 1325759668 + ... + 1325927199.

It is an arithmetic number, because the mean of its divisors is an integer number (14510030541696).

Almost surely, 2^{222121202101122} is an apocalyptic number.

222121202101122 is an abundant number, since it is smaller than the sum of its proper divisors (242199775233150).

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

222121202101122 is a wasteful number, since it uses less digits than its factorization.

222121202101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651687502.

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

Adding to 222121202101122 its reverse (221101202121222), we get a palindrome (443222404222344).

The spelling of 222121202101122 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, two hundred two million, one hundred one thousand, one hundred twenty-two".