2121100113002 has 8 divisors (see below), whose sum is σ = 3426392490276. Its totient is φ = 978969282912.

The previous prime is 2121100112981. The next prime is 2121100113017. The reversal of 2121100113002 is 2003110011212.

It can be written as a sum of positive squares in 2 ways, for example, as 2119152744361 + 1947368641 = 1455731^2 + 44129^2 .

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

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, 40790386763 + ... + 40790386814.

Almost surely, 2^{2121100113002} is an apocalyptic number.

2121100113002 is a deficient number, since it is larger than the sum of its proper divisors (1305292377274).

2121100113002 is a wasteful number, since it uses less digits than its factorization.

2121100113002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81580773592.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 2121100113002 its reverse (2003110011212), we get a palindrome (4124210124214).

The spelling of 2121100113002 in words is "two trillion, one hundred twenty-one billion, one hundred million, one hundred thirteen thousand, two".