10315552021 has 16 divisors (see below), whose sum is σ = 10735576704. Its totient is φ = 9905822784.

The previous prime is 10315551979. The next prime is 10315552069. The reversal of 10315552021 is 12025551301.

It is a cyclic number.

It is not a de Polignac number, because 10315552021 - 2⁷ = 10315551893 is a prime.

It is a super-2 number, since 2×10315552021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10315552081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548256 + ... + 566758.

It is an arithmetic number, because the mean of its divisors is an integer number (670973544).

Almost surely, 2^10315552021 is an apocalyptic number.

It is an amenable number.

10315552021 is a deficient number, since it is larger than the sum of its proper divisors (420024683).

10315552021 is a wasteful number, since it uses less digits than its factorization.

10315552021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18780.

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 10315552021 in words is "ten billion, three hundred fifteen million, five hundred fifty-two thousand, twenty-one".