2002022201021 has 16 divisors (see below), whose sum is σ = 2094656433408. Its totient is φ = 1911480614400.

The previous prime is 2002022200993. The next prime is 2002022201041. The reversal of 2002022201021 is 1201022202002.

It is not a de Polignac number, because 2002022201021 - 2¹⁰ = 2002022199997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002022200987 and 2002022201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002022201041) 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, 29030501 + ... + 29099381.

It is an arithmetic number, because the mean of its divisors is an integer number (130916027088).

Almost surely, 2^{2002022201021} is an apocalyptic number.

It is an amenable number.

2002022201021 is a deficient number, since it is larger than the sum of its proper divisors (92634232387).

2002022201021 is a wasteful number, since it uses less digits than its factorization.

2002022201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84052.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2002022201021 its reverse (1201022202002), we get a palindrome (3203044403023).

The spelling of 2002022201021 in words is "two trillion, two billion, twenty-two million, two hundred one thousand, twenty-one".