222101212210122 has 64 divisors (see below), whose sum is σ = 515059345880064. Its totient is φ = 62538705884160.

The previous prime is 222101212210103. The next prime is 222101212210151. The reversal of 222101212210122 is 221012212101222.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127168204 + ... + 128902887.

It is an arithmetic number, because the mean of its divisors is an integer number (8047802279376).

Almost surely, 2^{222101212210122} is an apocalyptic number.

222101212210122 is an abundant number, since it is smaller than the sum of its proper divisors (292958133669942).

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

222101212210122 is a wasteful number, since it uses less digits than its factorization.

222101212210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256071403.

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

Adding to 222101212210122 its reverse (221012212101222), we get a palindrome (443113424311344).

The spelling of 222101212210122 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred twelve million, two hundred ten thousand, one hundred twenty-two".