2002021120122 has 64 divisors (see below), whose sum is σ = 4286740838400. Its totient is φ = 621425882880.

The previous prime is 2002021120117. The next prime is 2002021120133. The reversal of 2002021120122 is 2210211202002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84244722 + ... + 84268482.

It is an arithmetic number, because the mean of its divisors is an integer number (66980325600).

Almost surely, 2^{2002021120122} is an apocalyptic number.

2002021120122 is an abundant number, since it is smaller than the sum of its proper divisors (2284719718278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2002021120122 is a wasteful number, since it uses less digits than its factorization.

2002021120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36371.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2002021120122 its reverse (2210211202002), we get a palindrome (4212232322124).

The spelling of 2002021120122 in words is "two trillion, two billion, twenty-one million, one hundred twenty thousand, one hundred twenty-two".