201103031112 has 64 divisors (see below), whose sum is σ = 530017689600. Its totient is φ = 63491680320.

The previous prime is 201103031099. The next prime is 201103031113. The reversal of 201103031112 is 211130301102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201103031091 and 201103031100.

It is not an unprimeable number, because it can be changed into a prime (201103031113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2840562 + ... + 2910497.

It is an arithmetic number, because the mean of its divisors is an integer number (8281526400).

Almost surely, 2^201103031112 is an apocalyptic number.

It is an amenable number.

201103031112 is an abundant number, since it is smaller than the sum of its proper divisors (328914658488).

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

201103031112 is a wasteful number, since it uses less digits than its factorization.

201103031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5751146 (or 5751142 counting only the distinct ones).

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

Adding to 201103031112 its reverse (211130301102), we get a palindrome (412233332214).

The spelling of 201103031112 in words is "two hundred one billion, one hundred three million, thirty-one thousand, one hundred twelve".