23221101213 has 12 divisors (see below), whose sum is σ = 33578420928. Its totient is φ = 15463735560.

The previous prime is 23221101209. The next prime is 23221101217. The reversal of 23221101213 is 31210112232.

It is an interprime number because it is at equal distance from previous prime (23221101209) and next prime (23221101217).

It is not a de Polignac number, because 23221101213 - 2² = 23221101209 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221101217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1407895 + ... + 1424292.

It is an arithmetic number, because the mean of its divisors is an integer number (2798201744).

Almost surely, 2^23221101213 is an apocalyptic number.

It is an amenable number.

23221101213 is a deficient number, since it is larger than the sum of its proper divisors (10357319715).

23221101213 is a wasteful number, since it uses less digits than its factorization.

23221101213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833104 (or 2833101 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23221101213 its reverse (31210112232), we get a palindrome (54431213445).

The spelling of 23221101213 in words is "twenty-three billion, two hundred twenty-one million, one hundred one thousand, two hundred thirteen".