10022213021 has 4 divisors (see below), whose sum is σ = 10022424444. Its totient is φ = 10022001600.

The previous prime is 10022213011. The next prime is 10022213029. The reversal of 10022213021 is 12031222001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12031222001 = 71 ⋅169453831.

It can be written as a sum of positive squares in 2 ways, for example, as 4680064921 + 5342148100 = 68411^2 + 73090^2 .

It is a cyclic number.

It is not a de Polignac number, because 10022213021 - 2¹⁴ = 10022196637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10022212987 and 10022213005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022213029) 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, 1931 + ... + 141591.

It is an arithmetic number, because the mean of its divisors is an integer number (2505606111).

Almost surely, 2^10022213021 is an apocalyptic number.

It is an amenable number.

10022213021 is a deficient number, since it is larger than the sum of its proper divisors (211423).

10022213021 is an equidigital number, since it uses as much as digits as its factorization.

10022213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211422.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10022213021 its reverse (12031222001), we get a palindrome (22053435022).

The spelling of 10022213021 in words is "ten billion, twenty-two million, two hundred thirteen thousand, twenty-one".