10100020201021 has 4 divisors (see below), whose sum is σ = 10106651863872. Its totient is φ = 10093388538172.

The previous prime is 10100020200989. The next prime is 10100020201049. The reversal of 10100020201021 is 12010202000101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10100020201021 - 2⁵ = 10100020200989 is a prime.

It is a super-2 number, since 2×10100020201021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10100020200989 and 10100020201007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100020201421) 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 3 ways as a sum of consecutive naturals, for example, 3315829141 + ... + 3315832186.

It is an arithmetic number, because the mean of its divisors is an integer number (2526662965968).

Almost surely, 2^{10100020201021} is an apocalyptic number.

It is an amenable number.

10100020201021 is a deficient number, since it is larger than the sum of its proper divisors (6631662851).

10100020201021 is an equidigital number, since it uses as much as digits as its factorization.

10100020201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6631662850.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10100020201021 its reverse (12010202000101), we get a palindrome (22110222201122).

The spelling of 10100020201021 in words is "ten trillion, one hundred billion, twenty million, two hundred one thousand, twenty-one".