111100010122 has 8 divisors (see below), whose sum is σ = 166653426276. Its totient is φ = 55548868032.

The previous prime is 111100010089. The next prime is 111100010143. The reversal of 111100010122 is 221010001111.

It can be written as a sum of positive squares in 2 ways, for example, as 86907629601 + 24192380521 = 294801^2 + 155539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 111100010099 and 111100010108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440623 + ... + 645250.

Almost surely, 2^111100010122 is an apocalyptic number.

111100010122 is a deficient number, since it is larger than the sum of its proper divisors (55553416154).

111100010122 is a wasteful number, since it uses less digits than its factorization.

111100010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137032.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111100010122 its reverse (221010001111), we get a palindrome (332110011233).

The spelling of 111100010122 in words is "one hundred eleven billion, one hundred million, ten thousand, one hundred twenty-two".