11103203012 has 24 divisors (see below), whose sum is σ = 21206126592. Its totient is φ = 5044743200.

The previous prime is 11103202973. The next prime is 11103203021. The reversal of 11103203012 is 21030230111.

It is a super-2 number, since 2×11103203012² (a number of 21 digits) contains 22 as substring.

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, 51773 + ... + 157755.

It is an arithmetic number, because the mean of its divisors is an integer number (883588608).

Almost surely, 2^11103203012 is an apocalyptic number.

It is an amenable number.

11103203012 is a deficient number, since it is larger than the sum of its proper divisors (10102923580).

11103203012 is a wasteful number, since it uses less digits than its factorization.

11103203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108379 (or 108377 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11103203012 its reverse (21030230111), we get a palindrome (32133433123).

The spelling of 11103203012 in words is "eleven billion, one hundred three million, two hundred three thousand, twelve".