10222202021 has 4 divisors (see below), whose sum is σ = 10323412044. Its totient is φ = 10120992000.

The previous prime is 10222202009. The next prime is 10222202099. The reversal of 10222202021 is 12020222201.

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 9952257121 + 269944900 = 99761^2 + 16430^2 .

It is a cyclic number.

It is not a de Polignac number, because 10222202021 - 2¹⁴ = 10222185637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10222201987 and 10222202005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222202321) 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, 50604860 + ... + 50605061.

It is an arithmetic number, because the mean of its divisors is an integer number (2580853011).

Almost surely, 2^10222202021 is an apocalyptic number.

It is an amenable number.

10222202021 is a deficient number, since it is larger than the sum of its proper divisors (101210023).

10222202021 is a wasteful number, since it uses less digits than its factorization.

10222202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101210022.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10222202021 its reverse (12020222201), we get a palindrome (22242424222).

The spelling of 10222202021 in words is "ten billion, two hundred twenty-two million, two hundred two thousand, twenty-one".