72010202101 has 4 divisors (see below), whose sum is σ = 72683194752. Its totient is φ = 71337209452.

The previous prime is 72010202071. The next prime is 72010202177. The reversal of 72010202101 is 10120201027.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72010202101 - 2¹⁵ = 72010169333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72010205101) 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, 336496165 + ... + 336496378.

It is an arithmetic number, because the mean of its divisors is an integer number (18170798688).

Almost surely, 2^72010202101 is an apocalyptic number.

It is an amenable number.

72010202101 is a deficient number, since it is larger than the sum of its proper divisors (672992651).

72010202101 is a wasteful number, since it uses less digits than its factorization.

72010202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672992650.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 72010202101 its reverse (10120201027), we get a palindrome (82130403128).

The spelling of 72010202101 in words is "seventy-two billion, ten million, two hundred two thousand, one hundred one".