11123012102 has 32 divisors (see below), whose sum is σ = 17690932224. Its totient is φ = 5237733600.

The previous prime is 11123012063. The next prime is 11123012119. The reversal of 11123012102 is 20121032111.

It is a congruent number.

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, 328652 + ... + 360912.

It is an arithmetic number, because the mean of its divisors is an integer number (552841632).

Almost surely, 2^11123012102 is an apocalyptic number.

11123012102 is a deficient number, since it is larger than the sum of its proper divisors (6567920122).

11123012102 is a wasteful number, since it uses less digits than its factorization.

11123012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32444.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11123012102 its reverse (20121032111), we get a palindrome (31244044213).

The spelling of 11123012102 in words is "eleven billion, one hundred twenty-three million, twelve thousand, one hundred two".