111232010122 has 4 divisors (see below), whose sum is σ = 166848015186. Its totient is φ = 55616005060.

The previous prime is 111232010093. The next prime is 111232010143. The reversal of 111232010122 is 221010232111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221010232111 = 401 ⋅551147711.

It can be written as a sum of positive squares in only one way, i.e., 98363149641 + 12868860481 = 313629^2 + 113441^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111232010096 and 111232010105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27808002529 + ... + 27808002532.

Almost surely, 2^111232010122 is an apocalyptic number.

111232010122 is a deficient number, since it is larger than the sum of its proper divisors (55616005064).

111232010122 is an equidigital number, since it uses as much as digits as its factorization.

111232010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55616005063.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111232010122 its reverse (221010232111), we get a palindrome (332242242233).

The spelling of 111232010122 in words is "one hundred eleven billion, two hundred thirty-two million, ten thousand, one hundred twenty-two".