23221100303221 has 16 divisors (see below), whose sum is σ = 23893381512000. Its totient is φ = 22554840994560.

The previous prime is 23221100303213. The next prime is 23221100303231. The reversal of 23221100303221 is 12230300112232.

It is not a de Polignac number, because 23221100303221 - 2³ = 23221100303213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23221100303192 and 23221100303201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221100303201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262344030 + ... + 262432528.

It is an arithmetic number, because the mean of its divisors is an integer number (1493336344500).

Almost surely, 2^{23221100303221} is an apocalyptic number.

It is an amenable number.

23221100303221 is a deficient number, since it is larger than the sum of its proper divisors (672281208779).

23221100303221 is a wasteful number, since it uses less digits than its factorization.

23221100303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122436.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23221100303221 its reverse (12230300112232), we get a palindrome (35451400415453).

The spelling of 23221100303221 in words is "twenty-three trillion, two hundred twenty-one billion, one hundred million, three hundred three thousand, two hundred twenty-one".