2101185920736 has 192 divisors, whose sum is σ = 7415950671360. Its totient is φ = 565024757760.

The previous prime is 2101185920723. The next prime is 2101185920797. The reversal of 2101185920736 is 6370295811012.

2101185920736 is a `hidden beast` number, since 2 + 10 + 1 + 18 + 592 + 0 + 7 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2101185920691 and 2101185920700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10115370 + ... + 10321001.

It is an arithmetic number, because the mean of its divisors is an integer number (38624743080).

Almost surely, 2^{2101185920736} is an apocalyptic number.

It is an amenable number.

2101185920736 is an abundant number, since it is smaller than the sum of its proper divisors (5314764750624).

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

2101185920736 is a wasteful number, since it uses less digits than its factorization.

2101185920736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20436414 (or 20436400 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 2101185920736 in words is "two trillion, one hundred one billion, one hundred eighty-five million, nine hundred twenty thousand, seven hundred thirty-six".