2116241521920 has 216 divisors, whose sum is σ = 7477763844096. Its totient is φ = 552323887104.

The previous prime is 2116241521819. The next prime is 2116241521931. The reversal of 2116241521920 is 291251426112.

2116241521920 is a `hidden beast` number, since 2 + 1 + 1 + 6 + 2 + 41 + 521 + 92 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1412832 + ... + 2495711.

It is an arithmetic number, because the mean of its divisors is an integer number (34619277056).

Almost surely, 2^{2116241521920} is an apocalyptic number.

2116241521920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2116241521920 is an abundant number, since it is smaller than the sum of its proper divisors (5361522322176).

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

2116241521920 is a wasteful number, since it uses less digits than its factorization.

2116241521920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3908617 (or 3908600 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 2116241521920 in words is "two trillion, one hundred sixteen billion, two hundred forty-one million, five hundred twenty-one thousand, nine hundred twenty".