100011202102021 has 16 divisors (see below), whose sum is σ = 118240414617600. Its totient is φ = 82767492557568.

The previous prime is 100011202102013. The next prime is 100011202102061. The reversal of 100011202102021 is 120201202110001.

It is not a de Polignac number, because 100011202102021 - 2³ = 100011202102013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100011202101992 and 100011202102010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100011202102061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45568941 + ... + 47713213.

It is an arithmetic number, because the mean of its divisors is an integer number (7390025913600).

Almost surely, 2^{100011202102021} is an apocalyptic number.

It is an amenable number.

100011202102021 is a deficient number, since it is larger than the sum of its proper divisors (18229212515579).

100011202102021 is a wasteful number, since it uses less digits than its factorization.

100011202102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374068.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100011202102021 its reverse (120201202110001), we get a palindrome (220212404212022).

The spelling of 100011202102021 in words is "one hundred trillion, eleven billion, two hundred two million, one hundred two thousand, twenty-one".