222101211202122 has 32 divisors (see below), whose sum is σ = 508761125921664. Its totient is φ = 63319837089600.

The previous prime is 222101211202051. The next prime is 222101211202177. The reversal of 222101211202122 is 221202112101222.

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 15 ways as a sum of consecutive naturals, for example, 5735473129 + ... + 5735511852.

It is an arithmetic number, because the mean of its divisors is an integer number (15898785185052).

Almost surely, 2^{222101211202122} is an apocalyptic number.

222101211202122 is an abundant number, since it is smaller than the sum of its proper divisors (286659914719542).

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

222101211202122 is a wasteful number, since it uses less digits than its factorization.

222101211202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11470985454.

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

Adding to 222101211202122 its reverse (221202112101222), we get a palindrome (443303323303344).

The spelling of 222101211202122 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred eleven million, two hundred two thousand, one hundred twenty-two".