2121010032004 has 12 divisors (see below), whose sum is σ = 3715163508364. Its totient is φ = 1059534743904.

The previous prime is 2121010031947. The next prime is 2121010032019. The reversal of 2121010032004 is 4002300101212.

It can be written as a sum of positive squares in 2 ways, for example, as 1028504279104 + 1092505752900 = 1014152^2 + 1045230^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242563107 + ... + 242571850.

Almost surely, 2^{2121010032004} is an apocalyptic number.

It is an amenable number.

2121010032004 is a deficient number, since it is larger than the sum of its proper divisors (1594153476360).

2121010032004 is a wasteful number, since it uses less digits than its factorization.

2121010032004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485136054 (or 485136052 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2121010032004 its reverse (4002300101212), we get a palindrome (6123310133216).

The spelling of 2121010032004 in words is "two trillion, one hundred twenty-one billion, ten million, thirty-two thousand, four".