2120922951840 has 384 divisors, whose sum is σ = 9254937968640. Its totient is φ = 440711193600.

The previous prime is 2120922951799. The next prime is 2120922951857. The reversal of 2120922951840 is 481592290212.

2120922951840 is a `hidden beast` number, since 2 + 1 + 2 + 0 + 92 + 2 + 9 + 518 + 40 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2855376 + ... + 3520655.

It is an arithmetic number, because the mean of its divisors is an integer number (24101400960).

Almost surely, 2^{2120922951840} is an apocalyptic number.

2120922951840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120922951840 is an abundant number, since it is smaller than the sum of its proper divisors (7134015016800).

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

2120922951840 is a wasteful number, since it uses less digits than its factorization.

2120922951840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6376073 (or 6376059 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 2120922951840 in words is "two trillion, one hundred twenty billion, nine hundred twenty-two million, nine hundred fifty-one thousand, eight hundred forty".