10022001021021 has 32 divisors (see below), whose sum is σ = 15211624200192. Its totient is φ = 5809715975360.

The previous prime is 10022001020959. The next prime is 10022001021049. The reversal of 10022001021021 is 12012010022001.

It is not a de Polignac number, because 10022001021021 - 2⁷ = 10022001020893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10022001020988 and 10022001021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022002021021) 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, 37226131 + ... + 37494383.

It is an arithmetic number, because the mean of its divisors is an integer number (475363256256).

Almost surely, 2^{10022001021021} is an apocalyptic number.

10022001021021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10022001021021 is a deficient number, since it is larger than the sum of its proper divisors (5189623179171).

10022001021021 is a wasteful number, since it uses less digits than its factorization.

10022001021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317513.

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

Adding to 10022001021021 its reverse (12012010022001), we get a palindrome (22034011043022).

The spelling of 10022001021021 in words is "ten trillion, twenty-two billion, one million, twenty-one thousand, twenty-one".