2121133032330 has 64 divisors (see below), whose sum is σ = 5484336560640. Its totient is φ = 521932340736.

The previous prime is 2121133032311. The next prime is 2121133032349. The reversal of 2121133032330 is 332303311212.

It is an interprime number because it is at equal distance from previous prime (2121133032311) and next prime (2121133032349).

It is a self number, because there is not a number n which added to its sum of digits gives 2121133032330.

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, 55711 + ... + 2060429.

It is an arithmetic number, because the mean of its divisors is an integer number (85692758760).

Almost surely, 2^{2121133032330} is an apocalyptic number.

2121133032330 is an abundant number, since it is smaller than the sum of its proper divisors (3363203528310).

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

2121133032330 is a wasteful number, since it uses less digits than its factorization.

2121133032330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007455.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 2121133032330 its reverse (332303311212), we get a palindrome (2453436343542).

The spelling of 2121133032330 in words is "two trillion, one hundred twenty-one billion, one hundred thirty-three million, thirty-two thousand, three hundred thirty".