23021221202 has 16 divisors (see below), whose sum is σ = 39474539520. Its totient is φ = 9863840448.

The previous prime is 23021221193. The next prime is 23021221217. The reversal of 23021221202 is 20212212032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139463 + ... + 255914.

It is an arithmetic number, because the mean of its divisors is an integer number (2467158720).

Almost surely, 2^23021221202 is an apocalyptic number.

23021221202 is a deficient number, since it is larger than the sum of its proper divisors (16453318318).

23021221202 is a wasteful number, since it uses less digits than its factorization.

23021221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399545.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 23021221202 its reverse (20212212032), we get a palindrome (43233433234).

The spelling of 23021221202 in words is "twenty-three billion, twenty-one million, two hundred twenty-one thousand, two hundred two".