2120200021002 has 32 divisors (see below), whose sum is σ = 4847430265344. Its totient is φ = 605614086000.

The previous prime is 2120200021001. The next prime is 2120200021031. The reversal of 2120200021002 is 2001200020212.

It is not an unprimeable number, because it can be changed into a prime (2120200021001) 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, 6392524 + ... + 6716007.

It is an arithmetic number, because the mean of its divisors is an integer number (151482195792).

Almost surely, 2^{2120200021002} is an apocalyptic number.

2120200021002 is an abundant number, since it is smaller than the sum of its proper divisors (2727230244342).

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

2120200021002 is a wasteful number, since it uses less digits than its factorization.

2120200021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13112394.

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

Adding to 2120200021002 its reverse (2001200020212), we get a palindrome (4121400041214).

The spelling of 2120200021002 in words is "two trillion, one hundred twenty billion, two hundred million, twenty-one thousand, two".