2002220121999 has 32 divisors (see below), whose sum is σ = 2816731330560. Its totient is φ = 1261592690400.

The previous prime is 2002220121997. The next prime is 2002220122013. The reversal of 2002220121999 is 9991210222002.

It is not a de Polignac number, because 2002220121999 - 2¹ = 2002220121997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002220121997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109336054 + ... + 109354364.

It is an arithmetic number, because the mean of its divisors is an integer number (88022854080).

Almost surely, 2^{2002220121999} is an apocalyptic number.

2002220121999 is a deficient number, since it is larger than the sum of its proper divisors (814511208561).

2002220121999 is a wasteful number, since it uses less digits than its factorization.

2002220121999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22731.

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 2002220121999 in words is "two trillion, two billion, two hundred twenty million, one hundred twenty-one thousand, nine hundred ninety-nine".