223021100120 has 192 divisors, whose sum is σ = 622409469120. Its totient is φ = 70421225472.

The previous prime is 223021100089. The next prime is 223021100153. The reversal of 223021100120 is 21001120322.

It is a happy number.

It is a super-2 number, since 2×223021100120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 223021100095 and 223021100104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21620084 + ... + 21630396.

It is an arithmetic number, because the mean of its divisors is an integer number (3241715985).

Almost surely, 2^223021100120 is an apocalyptic number.

223021100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223021100120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311204734560).

223021100120 is an abundant number, since it is smaller than the sum of its proper divisors (399388369000).

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

223021100120 is a wasteful number, since it uses less digits than its factorization.

223021100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10814 (or 10797 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 223021100120 its reverse (21001120322), we get a palindrome (244022220442).

The spelling of 223021100120 in words is "two hundred twenty-three billion, twenty-one million, one hundred thousand, one hundred twenty".