2101244872072 has 32 divisors (see below), whose sum is σ = 3962059768800. Its totient is φ = 1044696240000.

The previous prime is 2101244872043. The next prime is 2101244872073. The reversal of 2101244872072 is 2702784421012.

It is not an unprimeable number, because it can be changed into a prime (2101244872073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41174572 + ... + 41225572.

It is an arithmetic number, because the mean of its divisors is an integer number (123814367775).

Almost surely, 2^{2101244872072} is an apocalyptic number.

It is an amenable number.

2101244872072 is a deficient number, since it is larger than the sum of its proper divisors (1860814896728).

2101244872072 is a wasteful number, since it uses less digits than its factorization.

2101244872072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79957 (or 79953 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 40.

The spelling of 2101244872072 in words is "two trillion, one hundred one billion, two hundred forty-four million, eight hundred seventy-two thousand, seventy-two".