10120331301021 has 20 divisors (see below), whose sum is σ = 15120551637312. Its totient is φ = 6745760287848.

The previous prime is 10120331301019. The next prime is 10120331301043. The reversal of 10120331301021 is 12010313302101.

10120331301021 is a `hidden beast` number, since 1 + 0 + 12 + 0 + 331 + 301 + 0 + 21 = 666.

It is not a de Polignac number, because 10120331301021 - 2¹ = 10120331301019 is a prime.

It is a super-2 number, since 2×10120331301021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10120331300985 and 10120331301003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120331301221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9949525 + ... + 10919418.

Almost surely, 2^{10120331301021} is an apocalyptic number.

It is an amenable number.

10120331301021 is a deficient number, since it is larger than the sum of its proper divisors (5000220336291).

10120331301021 is an equidigital number, since it uses as much as digits as its factorization.

10120331301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20874942 (or 20874933 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 10120331301021 its reverse (12010313302101), we get a palindrome (22130644603122).

The spelling of 10120331301021 in words is "ten trillion, one hundred twenty billion, three hundred thirty-one million, three hundred one thousand, twenty-one".