2100532723571 has 4 divisors (see below), whose sum is σ = 2100535981200. Its totient is φ = 2100529465944.

The previous prime is 2100532723477. The next prime is 2100532723621. The reversal of 2100532723571 is 1753272350012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2100532723571 - 2¹⁸ = 2100532461427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100532023571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300551 + ... + 2071568.

It is an arithmetic number, because the mean of its divisors is an integer number (525133995300).

Almost surely, 2^{2100532723571} is an apocalyptic number.

2100532723571 is a deficient number, since it is larger than the sum of its proper divisors (3257629).

2100532723571 is an equidigital number, since it uses as much as digits as its factorization.

2100532723571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3257628.

The product of its (nonzero) digits is 88200, while the sum is 38.

The spelling of 2100532723571 in words is "two trillion, one hundred billion, five hundred thirty-two million, seven hundred twenty-three thousand, five hundred seventy-one".