100012002201021 has 16 divisors (see below), whose sum is σ = 134462998315008. Its totient is φ = 66118334511600.

The previous prime is 100012002201019. The next prime is 100012002201047. The reversal of 100012002201021 is 120102200210001.

It is not a de Polignac number, because 100012002201021 - 2¹ = 100012002201019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100012002200988 and 100012002201006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012002201061) 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, 61369725 + ... + 62978306.

It is an arithmetic number, because the mean of its divisors is an integer number (8403937394688).

Almost surely, 2^{100012002201021} is an apocalyptic number.

It is an amenable number.

100012002201021 is a deficient number, since it is larger than the sum of its proper divisors (34450996113987).

100012002201021 is a wasteful number, since it uses less digits than its factorization.

100012002201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124350272.

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

Adding to 100012002201021 its reverse (120102200210001), we get a palindrome (220114202411022).

The spelling of 100012002201021 in words is "one hundred trillion, twelve billion, two million, two hundred one thousand, twenty-one".