23101022022221 has 16 divisors (see below), whose sum is σ = 27147174512640. Its totient is φ = 19380107113920.

The previous prime is 23101022022217. The next prime is 23101022022227. The reversal of 23101022022221 is 12222022010132.

It is a cyclic number.

It is not a de Polignac number, because 23101022022221 - 2² = 23101022022217 is a prime.

It is a super-2 number, since 2×23101022022221² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23101022022193 and 23101022022202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23101022022227) 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 15 ways as a sum of consecutive naturals, for example, 21839501 + ... + 22872818.

It is an arithmetic number, because the mean of its divisors is an integer number (1696698407040).

Almost surely, 2^{23101022022221} is an apocalyptic number.

It is an amenable number.

23101022022221 is a deficient number, since it is larger than the sum of its proper divisors (4046152490419).

23101022022221 is a wasteful number, since it uses less digits than its factorization.

23101022022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44715956.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 23101022022221 its reverse (12222022010132), we get a palindrome (35323044032353).

The spelling of 23101022022221 in words is "twenty-three trillion, one hundred one billion, twenty-two million, twenty-two thousand, two hundred twenty-one".