203222100110120 has 128 divisors (see below), whose sum is σ = 562916214282240. Its totient is φ = 64299608110080.

The previous prime is 203222100110063. The next prime is 203222100110207. The reversal of 203222100110120 is 21011001222302.

It is a super-2 number, since 2×203222100110120² (a number of 29 digits) contains 22 as substring.

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, 6602729 + ... + 21214151.

It is an arithmetic number, because the mean of its divisors is an integer number (4397782924080).

Almost surely, 2^{203222100110120} is an apocalyptic number.

203222100110120 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 203222100110120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281458107141120).

203222100110120 is an abundant number, since it is smaller than the sum of its proper divisors (359694114172120).

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

203222100110120 is a wasteful number, since it uses less digits than its factorization.

203222100110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14615275 (or 14615271 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 203222100110120 its reverse (21011001222302), we get a palindrome (224233101332422).

The spelling of 203222100110120 in words is "two hundred three trillion, two hundred twenty-two billion, one hundred million, one hundred ten thousand, one hundred twenty".