2131213321002 has 32 divisors (see below), whose sum is σ = 4562811763200. Its totient is φ = 661607701488.

The previous prime is 2131213320989. The next prime is 2131213321037. The reversal of 2131213321002 is 2001233121312.

It is a self number, because there is not a number n which added to its sum of digits gives 2131213321002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158424238 + ... + 158437689.

It is an arithmetic number, because the mean of its divisors is an integer number (142587867600).

Almost surely, 2^{2131213321002} is an apocalyptic number.

2131213321002 is an abundant number, since it is smaller than the sum of its proper divisors (2431598442198).

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

2131213321002 is a wasteful number, since it uses less digits than its factorization.

2131213321002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316862010.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2131213321002 its reverse (2001233121312), we get a palindrome (4132446442314).

The spelling of 2131213321002 in words is "two trillion, one hundred thirty-one billion, two hundred thirteen million, three hundred twenty-one thousand, two".