2321996916100 has 27 divisors (see below), whose sum is σ = 5038766374831. Its totient is φ = 928792671200.

The previous prime is 2321996916073. The next prime is 2321996916121. The reversal of 2321996916100 is 16196991232.

The square root of 2321996916100 is 1523810.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 308640246916 + 2013356669184 = 555554^2 + 1418928^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15161910 + ... + 15314290.

Almost surely, 2^{2321996916100} is an apocalyptic number.

2321996916100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2321996916100 is the 1523810-th square number.

It is an amenable number.

2321996916100 is an abundant number, since it is smaller than the sum of its proper divisors (2716769458731).

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

2321996916100 is an frugal number, since it uses more digits than its factorization.

2321996916100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304776 (or 152388 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 49.

Multiplying 2321996916100 by its sum of digits (49), we get a square (113777848888900 = 10666670²).

The spelling of 2321996916100 in words is "two trillion, three hundred twenty-one billion, nine hundred ninety-six million, nine hundred sixteen thousand, one hundred".