102003113112 has 64 divisors (see below), whose sum is σ = 264896200800. Its totient is φ = 32692316160.

The previous prime is 102003113111. The next prime is 102003113123. The reversal of 102003113112 is 211311300201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102003113091 and 102003113100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102003113111) 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, 136323 + ... + 471794.

Almost surely, 2^102003113112 is an apocalyptic number.

102003113112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102003113112 is an abundant number, since it is smaller than the sum of its proper divisors (162893087688).

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

102003113112 is a wasteful number, since it uses less digits than its factorization.

102003113112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608396 (or 608392 counting only the distinct ones).

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

Adding to 102003113112 its reverse (211311300201), we get a palindrome (313314413313).

The spelling of 102003113112 in words is "one hundred two billion, three million, one hundred thirteen thousand, one hundred twelve".