221010100122122 has 16 divisors (see below), whose sum is σ = 331708276714752. Its totient is φ = 110440678675200.

The previous prime is 221010100122101. The next prime is 221010100122143. The reversal of 221010100122122 is 221221001010122.

It is an interprime number because it is at equal distance from previous prime (221010100122101) and next prime (221010100122143).

It is a self number, because there is not a number n which added to its sum of digits gives 221010100122122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107821418 + ... + 109852074.

It is an arithmetic number, because the mean of its divisors is an integer number (20731767294672).

Almost surely, 2^{221010100122122} is an apocalyptic number.

221010100122122 is a deficient number, since it is larger than the sum of its proper divisors (110698176592630).

221010100122122 is a wasteful number, since it uses less digits than its factorization.

221010100122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062333.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221010100122122 its reverse (221221001010122), we get a palindrome (442231101132244).

The spelling of 221010100122122 in words is "two hundred twenty-one trillion, ten billion, one hundred million, one hundred twenty-two thousand, one hundred twenty-two".