10022220021001 has 4 divisors (see below), whose sum is σ = 10022226393492. Its totient is φ = 10022213648512.

The previous prime is 10022220020999. The next prime is 10022220021019. The reversal of 10022220021001 is 10012002222001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10018459388025 + 3760632976 = 3165195^2 + 61324^2 .

It is a cyclic number.

It is not a de Polignac number, because 10022220021001 - 2¹ = 10022220020999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10022220021061) 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, 1052421 + ... + 4599133.

It is an arithmetic number, because the mean of its divisors is an integer number (2505556598373).

Almost surely, 2^{10022220021001} is an apocalyptic number.

It is an amenable number.

10022220021001 is a deficient number, since it is larger than the sum of its proper divisors (6372491).

10022220021001 is an equidigital number, since it uses as much as digits as its factorization.

10022220021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6372490.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10022220021001 its reverse (10012002222001), we get a palindrome (20034222243002).

The spelling of 10022220021001 in words is "ten trillion, twenty-two billion, two hundred twenty million, twenty-one thousand, one".