2100536723571 has 32 divisors (see below), whose sum is σ = 3310054046208. Its totient is φ = 1168088720640.

The previous prime is 2100536723567. The next prime is 2100536723587. The reversal of 2100536723571 is 1753276350012.

It is not a de Polignac number, because 2100536723571 - 2² = 2100536723567 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100536721571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14588106 + ... + 14731391.

It is an arithmetic number, because the mean of its divisors is an integer number (103439188944).

Almost surely, 2^{2100536723571} is an apocalyptic number.

2100536723571 is a deficient number, since it is larger than the sum of its proper divisors (1209517322637).

2100536723571 is a wasteful number, since it uses less digits than its factorization.

2100536723571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29319691.

The product of its (nonzero) digits is 264600, while the sum is 42.

The spelling of 2100536723571 in words is "two trillion, one hundred billion, five hundred thirty-six million, seven hundred twenty-three thousand, five hundred seventy-one".