2121020000996 has 24 divisors (see below), whose sum is σ = 4135145097720. Its totient is φ = 945176020992.

The previous prime is 2121020000971. The next prime is 2121020001013. The reversal of 2121020000996 is 6990000201212.

It can be written as a sum of positive squares in 4 ways, for example, as 617733121600 + 1503286879396 = 785960^2 + 1226086^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703254461 + ... + 703257476.

It is an arithmetic number, because the mean of its divisors is an integer number (172297712405).

Almost surely, 2^{2121020000996} is an apocalyptic number.

2121020000996 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2121020000996 is a deficient number, since it is larger than the sum of its proper divisors (2014125096724).

2121020000996 is a wasteful number, since it uses less digits than its factorization.

2121020000996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406511983 (or 1406511981 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 2121020000996 in words is "two trillion, one hundred twenty-one billion, twenty million, nine hundred ninety-six", and thus it is an aban number.