2130991999680 has 112 divisors (see below), whose sum is σ = 6795445713120. Its totient is φ = 565782970368.

The previous prime is 2130991999651. The next prime is 2130991999691. The reversal of 2130991999680 is 869991990312.

It is a super-2 number, since 2×2130991999680² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4626849 + ... + 5066528.

Almost surely, 2^{2130991999680} is an apocalyptic number.

2130991999680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130991999680 is an abundant number, since it is smaller than the sum of its proper divisors (4664453713440).

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

2130991999680 is a wasteful number, since it uses less digits than its factorization.

2130991999680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9693626 (or 9693616 counting only the distinct ones).

The product of its (nonzero) digits is 17006112, while the sum is 66.

The spelling of 2130991999680 in words is "two trillion, one hundred thirty billion, nine hundred ninety-one million, nine hundred ninety-nine thousand, six hundred eighty".