100111131122 has 12 divisors (see below), whose sum is σ = 159519640650. Its totient is φ = 47111120256.

The previous prime is 100111131091. The next prime is 100111131193. The reversal of 100111131122 is 221131111001.

It can be written as a sum of positive squares in 3 ways, for example, as 95265439801 + 4845691321 = 308651^2 + 69611^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100111131097 and 100111131106.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86600747 + ... + 86601902.

Almost surely, 2^100111131122 is an apocalyptic number.

100111131122 is a deficient number, since it is larger than the sum of its proper divisors (59408509528).

100111131122 is a wasteful number, since it uses less digits than its factorization.

100111131122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173202685 (or 173202668 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 100111131122 its reverse (221131111001), we get a palindrome (321242242123).

The spelling of 100111131122 in words is "one hundred billion, one hundred eleven million, one hundred thirty-one thousand, one hundred twenty-two".