11120131012 has 6 divisors (see below), whose sum is σ = 19460229278. Its totient is φ = 5560065504.

The previous prime is 11120131003. The next prime is 11120131027. The reversal of 11120131012 is 21013102111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11103679876 + 16451136 = 105374^2 + 4056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11120130983 and 11120131001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390016373 + ... + 1390016380.

Almost surely, 2^11120131012 is an apocalyptic number.

It is an amenable number.

11120131012 is a deficient number, since it is larger than the sum of its proper divisors (8340098266).

11120131012 is a wasteful number, since it uses less digits than its factorization.

11120131012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780032757 (or 2780032755 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11120131012 its reverse (21013102111), we get a palindrome (32133233123).

It can be divided in two parts, 1112013 and 1012, that added together give a square (1113025 = 1055²).

The spelling of 11120131012 in words is "eleven billion, one hundred twenty million, one hundred thirty-one thousand, twelve".