10021712156 has 24 divisors (see below), whose sum is σ = 17693067504. Its totient is φ = 4966727040.

The previous prime is 10021712101. The next prime is 10021712159. The reversal of 10021712156 is 65121712001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021712159) 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, 207176 + ... + 250928.

It is an arithmetic number, because the mean of its divisors is an integer number (737211146).

Almost surely, 2^10021712156 is an apocalyptic number.

It is an amenable number.

10021712156 is a deficient number, since it is larger than the sum of its proper divisors (7671355348).

10021712156 is a wasteful number, since it uses less digits than its factorization.

10021712156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44261 (or 44259 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 26.

The spelling of 10021712156 in words is "ten billion, twenty-one million, seven hundred twelve thousand, one hundred fifty-six".