10022022211021 has 4 divisors (see below), whose sum is σ = 10072895420412. Its totient is φ = 9971149001632.

The previous prime is 10022022210973. The next prime is 10022022211027. The reversal of 10022022211021 is 12011222022001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5771357593225 + 4250664617796 = 2402365^2 + 2061714^2 .

It is a cyclic number.

It is not a de Polignac number, because 10022022211021 - 2²⁹ = 10021485340109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10022022210986 and 10022022211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022022211027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25436604400 + ... + 25436604793.

It is an arithmetic number, because the mean of its divisors is an integer number (2518223855103).

Almost surely, 2^{10022022211021} is an apocalyptic number.

It is an amenable number.

10022022211021 is a deficient number, since it is larger than the sum of its proper divisors (50873209391).

10022022211021 is an equidigital number, since it uses as much as digits as its factorization.

10022022211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50873209390.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10022022211021 its reverse (12011222022001), we get a palindrome (22033244233022).

The spelling of 10022022211021 in words is "ten trillion, twenty-two billion, twenty-two million, two hundred eleven thousand, twenty-one".