10021012031320 has 64 divisors (see below), whose sum is σ = 23875018466400. Its totient is φ = 3772390164480.

The previous prime is 10021012031281. The next prime is 10021012031323. The reversal of 10021012031320 is 2313021012001.

10021012031320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10021012031294 and 10021012031303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021012031323) 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, 11134326 + ... + 12000634.

Almost surely, 2^{10021012031320} is an apocalyptic number.

10021012031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021012031320 is an abundant number, since it is smaller than the sum of its proper divisors (13854006435080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10021012031320 is a wasteful number, since it uses less digits than its factorization.

10021012031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883348 (or 883344 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10021012031320 its reverse (2313021012001), we get a palindrome (12334033043321).

The spelling of 10021012031320 in words is "ten trillion, twenty-one billion, twelve million, thirty-one thousand, three hundred twenty".