2002220222021 has 16 divisors (see below), whose sum is σ = 2015196019200. Its totient is φ = 1989285796608.

The previous prime is 2002220221987. The next prime is 2002220222071. The reversal of 2002220222021 is 1202220222002.

It is a cyclic number.

It is not a de Polignac number, because 2002220222021 - 2³⁰ = 2001146480197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002220222071) 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, 393592940 + ... + 393598026.

It is an arithmetic number, because the mean of its divisors is an integer number (125949751200).

Almost surely, 2^{2002220222021} is an apocalyptic number.

It is an amenable number.

2002220222021 is a deficient number, since it is larger than the sum of its proper divisors (12975797179).

2002220222021 is a wasteful number, since it uses less digits than its factorization.

2002220222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8668.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2002220222021 its reverse (1202220222002), we get a palindrome (3204440444023).

The spelling of 2002220222021 in words is "two trillion, two billion, two hundred twenty million, two hundred twenty-two thousand, twenty-one".