10022210021 has 4 divisors (see below), whose sum is σ = 10367803500. Its totient is φ = 9676616544.

The previous prime is 10022209997. The next prime is 10022210063. The reversal of 10022210021 is 12001222001.

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 2777817025 + 7244392996 = 52705^2 + 85114^2 .

It is a cyclic number.

It is not a de Polignac number, because 10022210021 - 2¹⁴ = 10022193637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10022209984 and 10022210011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022210071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172796696 + ... + 172796753.

It is an arithmetic number, because the mean of its divisors is an integer number (2591950875).

Almost surely, 2^10022210021 is an apocalyptic number.

It is an amenable number.

10022210021 is a deficient number, since it is larger than the sum of its proper divisors (345593479).

10022210021 is an equidigital number, since it uses as much as digits as its factorization.

10022210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345593478.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10022210021 its reverse (12001222001), we get a palindrome (22023432022).

The spelling of 10022210021 in words is "ten billion, twenty-two million, two hundred ten thousand, twenty-one".