10021011999971 has 72 divisors (see below), whose sum is σ = 12740787791424. Its totient is φ = 7852312147680.

The previous prime is 10021011999931. The next prime is 10021011999983. The reversal of 10021011999971 is 17999911012001.

10021011999971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10021011999971 - 2³⁸ = 9746134093027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10021011999931) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 63052676 + ... + 63211406.

It is an arithmetic number, because the mean of its divisors is an integer number (176955385992).

Almost surely, 2^{10021011999971} is an apocalyptic number.

10021011999971 is a deficient number, since it is larger than the sum of its proper divisors (2719775791453).

10021011999971 is a wasteful number, since it uses less digits than its factorization.

10021011999971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158909 (or 158883 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 50.

The spelling of 10021011999971 in words is "ten trillion, twenty-one billion, eleven million, nine hundred ninety-nine thousand, nine hundred seventy-one".