21023322202 has 8 divisors (see below), whose sum is σ = 31548037716. Its totient is φ = 10507309632.

The previous prime is 21023322197. The next prime is 21023322209. The reversal of 21023322202 is 20222332012.

It can be written as a sum of positive squares in 2 ways, for example, as 20845873161 + 177449041 = 144381^2 + 13321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21023322202² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21023322202.

It is not an unprimeable number, because it can be changed into a prime (21023322209) 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, 2169693 + ... + 2179360.

Almost surely, 2^21023322202 is an apocalyptic number.

21023322202 is a deficient number, since it is larger than the sum of its proper divisors (10524715514).

21023322202 is a wasteful number, since it uses less digits than its factorization.

21023322202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4351472.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 21023322202 its reverse (20222332012), we get a palindrome (41245654214).

The spelling of 21023322202 in words is "twenty-one billion, twenty-three million, three hundred twenty-two thousand, two hundred two".