100001202020122 has 32 divisors (see below), whose sum is σ = 161641319252112. Its totient is φ = 46125575967744.

The previous prime is 100001202020117. The next prime is 100001202020143. The reversal of 100001202020122 is 221020202100001.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 71482814472001 + 28518387548121 = 8454751^2 + 5340261^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 299725618 + ... + 300059074.

Almost surely, 2^{100001202020122} is an apocalyptic number.

100001202020122 is a deficient number, since it is larger than the sum of its proper divisors (61640117231990).

100001202020122 is a wasteful number, since it uses less digits than its factorization.

100001202020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340642.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100001202020122 its reverse (221020202100001), we get a palindrome (321021404120123).

The spelling of 100001202020122 in words is "one hundred trillion, one billion, two hundred two million, twenty thousand, one hundred twenty-two".