2002220010021 has 64 divisors (see below), whose sum is σ = 3406570776576. Its totient is φ = 1015686604800.

The previous prime is 2002220009989. The next prime is 2002220010061. The reversal of 2002220010021 is 1200100222002.

It is not a de Polignac number, because 2002220010021 - 2⁵ = 2002220009989 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2002220009979 and 2002220010006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002220010061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46872345 + ... + 46915041.

It is an arithmetic number, because the mean of its divisors is an integer number (53227668384).

Almost surely, 2^{2002220010021} is an apocalyptic number.

2002220010021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2002220010021 is a deficient number, since it is larger than the sum of its proper divisors (1404350766555).

2002220010021 is a wasteful number, since it uses less digits than its factorization.

2002220010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47482.

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

Adding to 2002220010021 its reverse (1200100222002), we get a palindrome (3202320232023).

The spelling of 2002220010021 in words is "two trillion, two billion, two hundred twenty million, ten thousand, twenty-one".