202223013021 has 32 divisors (see below), whose sum is σ = 308789879040. Its totient is φ = 130737499200.

The previous prime is 202223012993. The next prime is 202223013023. The reversal of 202223013021 is 120310322202.

It is not a de Polignac number, because 202223013021 - 2²² = 202218818717 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 202223012985 and 202223013003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202223013023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 747730 + ... + 981603.

It is an arithmetic number, because the mean of its divisors is an integer number (9649683720).

Almost surely, 2^202223013021 is an apocalyptic number.

It is an amenable number.

202223013021 is a deficient number, since it is larger than the sum of its proper divisors (106566866019).

202223013021 is a wasteful number, since it uses less digits than its factorization.

202223013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729474 (or 1729468 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 202223013021 its reverse (120310322202), we get a palindrome (322533335223).

The spelling of 202223013021 in words is "two hundred two billion, two hundred twenty-three million, thirteen thousand, twenty-one".