2104100402402 has 8 divisors (see below), whose sum is σ = 3341806521516. Its totient is φ = 990164895232.

The previous prime is 2104100402357. The next prime is 2104100402407. The reversal of 2104100402402 is 2042040014012.

It can be written as a sum of positive squares in 2 ways, for example, as 2012962226521 + 91138175881 = 1418789^2 + 301891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2104100402407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30942652943 + ... + 30942653010.

Almost surely, 2^{2104100402402} is an apocalyptic number.

2104100402402 is a deficient number, since it is larger than the sum of its proper divisors (1237706119114).

2104100402402 is a wasteful number, since it uses less digits than its factorization.

2104100402402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61885305972.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2104100402402 its reverse (2042040014012), we get a palindrome (4146140416414).

The spelling of 2104100402402 in words is "two trillion, one hundred four billion, one hundred million, four hundred two thousand, four hundred two".