2020020102101 has 16 divisors (see below), whose sum is σ = 2181393149760. Its totient is φ = 1864739076480.

The previous prime is 2020020102083. The next prime is 2020020102151. The reversal of 2020020102101 is 1012010200202.

It is a happy number.

It is not a de Polignac number, because 2020020102101 - 2³⁸ = 1745142195157 is a prime.

It is a super-2 number, since 2×2020020102101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020020102151) 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, 8020376 + ... + 8268401.

It is an arithmetic number, because the mean of its divisors is an integer number (136337071860).

Almost surely, 2^{2020020102101} is an apocalyptic number.

It is an amenable number.

2020020102101 is a deficient number, since it is larger than the sum of its proper divisors (161373047659).

2020020102101 is a wasteful number, since it uses less digits than its factorization.

2020020102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16288964.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2020020102101 its reverse (1012010200202), we get a palindrome (3032030302303).

The spelling of 2020020102101 in words is "two trillion, twenty billion, twenty million, one hundred two thousand, one hundred one".