23221003311220 has 96 divisors (see below), whose sum is σ = 58686600784896. Its totient is φ = 7604353766400.

The previous prime is 23221003311211. The next prime is 23221003311257. The reversal of 23221003311220 is 2211330012232.

23221003311220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×23221003311220³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 23221003311191 and 23221003311200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98897764 + ... + 99132283.

It is an arithmetic number, because the mean of its divisors is an integer number (611318758176).

Almost surely, 2^{23221003311220} is an apocalyptic number.

23221003311220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23221003311220 is an abundant number, since it is smaller than the sum of its proper divisors (35465597473676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23221003311220 is a wasteful number, since it uses less digits than its factorization.

23221003311220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198030121 (or 198030119 counting only the distinct ones).

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

Adding to 23221003311220 its reverse (2211330012232), we get a palindrome (25432333323452).

The spelling of 23221003311220 in words is "twenty-three trillion, two hundred twenty-one billion, three million, three hundred eleven thousand, two hundred twenty".