100021122120099 has 32 divisors (see below), whose sum is σ = 136961612895744. Its totient is φ = 64903656545280.

The previous prime is 100021122120097. The next prime is 100021122120169. The reversal of 100021122120099 is 990021221120001.

It is not a de Polignac number, because 100021122120099 - 2¹ = 100021122120097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100021122120097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149182192 + ... + 149851154.

It is an arithmetic number, because the mean of its divisors is an integer number (4280050402992).

Almost surely, 2^{100021122120099} is an apocalyptic number.

100021122120099 is a deficient number, since it is larger than the sum of its proper divisors (36940490775645).

100021122120099 is an equidigital number, since it uses as much as digits as its factorization.

100021122120099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677547.

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 100021122120099 in words is "one hundred trillion, twenty-one billion, one hundred twenty-two million, one hundred twenty thousand, ninety-nine".