2211570172672 has 72 divisors (see below), whose sum is σ = 5207891182592. Its totient is φ = 917241062400.

The previous prime is 2211570172667. The next prime is 2211570172687. The reversal of 2211570172672 is 2762710751122.

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 7 ways as a sum of consecutive naturals, for example, 19849854 + ... + 19960957.

Almost surely, 2^{2211570172672} is an apocalyptic number.

It is an amenable number.

2211570172672 is an abundant number, since it is smaller than the sum of its proper divisors (2996321009920).

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

2211570172672 is an equidigital number, since it uses as much as digits as its factorization.

2211570172672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39810865 (or 39810851 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 43.

The spelling of 2211570172672 in words is "two trillion, two hundred eleven billion, five hundred seventy million, one hundred seventy-two thousand, six hundred seventy-two".