100001102202021 has 16 divisors (see below), whose sum is σ = 133914812241600. Its totient is φ = 66377429965440.

The previous prime is 100001102202007. The next prime is 100001102202059. The reversal of 100001102202021 is 120202201100001.

It is not a de Polignac number, because 100001102202021 - 2⁵ = 100001102201989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100001102201988 and 100001102202006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001102282021) 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, 7956991 + ... + 16227011.

It is an arithmetic number, because the mean of its divisors is an integer number (8369675765100).

Almost surely, 2^{100001102202021} is an apocalyptic number.

It is an amenable number.

100001102202021 is a deficient number, since it is larger than the sum of its proper divisors (33913710039579).

100001102202021 is a wasteful number, since it uses less digits than its factorization.

100001102202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8287556.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100001102202021 its reverse (120202201100001), we get a palindrome (220203303302022).

The spelling of 100001102202021 in words is "one hundred trillion, one billion, one hundred two million, two hundred two thousand, twenty-one".