203013101112 has 32 divisors (see below), whose sum is σ = 509338936080. Its totient is φ = 67430209280.

The previous prime is 203013101029. The next prime is 203013101219. The reversal of 203013101112 is 211101310302.

It is a happy number.

It is a super-2 number, since 2×203013101112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203013101091 and 203013101100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15044643 + ... + 15058130.

Almost surely, 2^203013101112 is an apocalyptic number.

It is an amenable number.

203013101112 is an abundant number, since it is smaller than the sum of its proper divisors (306325834968).

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

203013101112 is a wasteful number, since it uses less digits than its factorization.

203013101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30103063 (or 30103059 counting only the distinct ones).

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

Adding to 203013101112 its reverse (211101310302), we get a palindrome (414114411414).

The spelling of 203013101112 in words is "two hundred three billion, thirteen million, one hundred one thousand, one hundred twelve".