10212022100021 has 32 divisors (see below), whose sum is σ = 12150595454976. Its totient is φ = 8400767256000.

The previous prime is 10212022099991. The next prime is 10212022100039. The reversal of 10212022100021 is 12000122021201.

It is not a de Polignac number, because 10212022100021 - 2¹⁰ = 10212022098997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212022099969 and 10212022100005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212022100041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17542136 + ... + 18114926.

It is an arithmetic number, because the mean of its divisors is an integer number (379706107968).

Almost surely, 2^{10212022100021} is an apocalyptic number.

It is an amenable number.

10212022100021 is a deficient number, since it is larger than the sum of its proper divisors (1938573354955).

10212022100021 is an equidigital number, since it uses as much as digits as its factorization.

10212022100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573873.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10212022100021 its reverse (12000122021201), we get a palindrome (22212144121222).

The spelling of 10212022100021 in words is "ten trillion, two hundred twelve billion, twenty-two million, one hundred thousand, twenty-one".