11102123012 has 12 divisors (see below), whose sum is σ = 20098671180. Its totient is φ = 5359645536.

The previous prime is 11102123009. The next prime is 11102123017. The reversal of 11102123012 is 21032120111.

It can be written as a sum of positive squares in 2 ways, for example, as 3681334276 + 7420788736 = 60674^2 + 86144^2 .

It is not an unprimeable number, because it can be changed into a prime (11102123017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47853863 + ... + 47854094.

It is an arithmetic number, because the mean of its divisors is an integer number (1674889265).

Almost surely, 2^11102123012 is an apocalyptic number.

It is an amenable number.

11102123012 is a deficient number, since it is larger than the sum of its proper divisors (8996548168).

11102123012 is a wasteful number, since it uses less digits than its factorization.

11102123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95707990 (or 95707988 counting only the distinct ones).

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

Adding to 11102123012 its reverse (21032120111), we get a palindrome (32134243123).

The spelling of 11102123012 in words is "eleven billion, one hundred two million, one hundred twenty-three thousand, twelve".