2121120211002 has 16 divisors (see below), whose sum is σ = 4568566608480. Its totient is φ = 652652372592.

The previous prime is 2121120210997. The next prime is 2121120211039. The reversal of 2121120211002 is 2001120211212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13596924352 + ... + 13596924507.

It is an arithmetic number, because the mean of its divisors is an integer number (285535413030).

Almost surely, 2^{2121120211002} is an apocalyptic number.

2121120211002 is an abundant number, since it is smaller than the sum of its proper divisors (2447446397478).

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

2121120211002 is a wasteful number, since it uses less digits than its factorization.

2121120211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27193848877.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2121120211002 its reverse (2001120211212), we get a palindrome (4122240422214).

The spelling of 2121120211002 in words is "two trillion, one hundred twenty-one billion, one hundred twenty million, two hundred eleven thousand, two".