10120212021 has 16 divisors (see below), whose sum is σ = 13557475008. Its totient is φ = 6714912000.

The previous prime is 10120212001. The next prime is 10120212031. The reversal of 10120212021 is 12021202101.

It is not a de Polignac number, because 10120212021 - 2²¹ = 10118114869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10120211988 and 10120212006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120212001) 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, 1788046 + ... + 1793696.

It is an arithmetic number, because the mean of its divisors is an integer number (847342188).

Almost surely, 2^10120212021 is an apocalyptic number.

It is an amenable number.

10120212021 is a deficient number, since it is larger than the sum of its proper divisors (3437262987).

10120212021 is a wasteful number, since it uses less digits than its factorization.

10120212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8372.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10120212021 its reverse (12021202101), we get a palindrome (22141414122).

The spelling of 10120212021 in words is "ten billion, one hundred twenty million, two hundred twelve thousand, twenty-one".