9901110220022 has 32 divisors (see below), whose sum is σ = 17613281088000. Its totient is φ = 4171412036904.

The previous prime is 9901110220021. The next prime is 9901110220049. The reversal of 9901110220022 is 2200220111099.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9901110220021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122273978 + ... + 122354925.

It is an arithmetic number, because the mean of its divisors is an integer number (550415034000).

Almost surely, 2^{9901110220022} is an apocalyptic number.

9901110220022 is a deficient number, since it is larger than the sum of its proper divisors (7712170867978).

9901110220022 is a wasteful number, since it uses less digits than its factorization.

9901110220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244628985 (or 244628971 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 9901110220022 in words is "nine trillion, nine hundred one billion, one hundred ten million, two hundred twenty thousand, twenty-two".