2200020120021 has 16 divisors (see below), whose sum is σ = 2940917125184. Its totient is φ = 1462902021504.

The previous prime is 2200020119993. The next prime is 2200020120037. The reversal of 2200020120021 is 1200210200022.

It is not a de Polignac number, because 2200020120021 - 2¹¹ = 2200020117973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2200020119979 and 2200020120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200020120061) 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, 26306745 + ... + 26390241.

It is an arithmetic number, because the mean of its divisors is an integer number (183807320324).

Almost surely, 2^{2200020120021} is an apocalyptic number.

It is an amenable number.

2200020120021 is a deficient number, since it is larger than the sum of its proper divisors (740897005163).

2200020120021 is a wasteful number, since it uses less digits than its factorization.

2200020120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106020.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2200020120021 its reverse (1200210200022), we get a palindrome (3400230320043).

The spelling of 2200020120021 in words is "two trillion, two hundred billion, twenty million, one hundred twenty thousand, twenty-one".