203101113120 has 96 divisors (see below), whose sum is σ = 642587214528. Its totient is φ = 53921676288.

The previous prime is 203101113109. The next prime is 203101113139. The reversal of 203101113120 is 21311101302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×203101113120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 203101113120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 823039 + ... + 1040958.

It is an arithmetic number, because the mean of its divisors is an integer number (6693616818).

Almost surely, 2^203101113120 is an apocalyptic number.

203101113120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203101113120 is an abundant number, since it is smaller than the sum of its proper divisors (439486101408).

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

203101113120 is a wasteful number, since it uses less digits than its factorization.

203101113120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864242 (or 1864234 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 203101113120 its reverse (21311101302), we get a palindrome (224412214422).

The spelling of 203101113120 in words is "two hundred three billion, one hundred one million, one hundred thirteen thousand, one hundred twenty".