111210000122 has 16 divisors (see below), whose sum is σ = 180709929960. Its totient is φ = 51327690336.

The previous prime is 111210000113. The next prime is 111210000127. The reversal of 111210000122 is 221000012111.

It can be written as a sum of positive squares in 4 ways, for example, as 40436881 + 111169563241 = 6359^2 + 333421^2 .

It is not an unprimeable number, because it can be changed into a prime (111210000127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12650363 + ... + 12659150.

Almost surely, 2^111210000122 is an apocalyptic number.

111210000122 is a deficient number, since it is larger than the sum of its proper divisors (69499929838).

111210000122 is an equidigital number, since it uses as much as digits as its factorization.

111210000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25309554 (or 25309528 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111210000122 its reverse (221000012111), we get a palindrome (332210012233).

The spelling of 111210000122 in words is "one hundred eleven billion, two hundred ten million, one hundred twenty-two", and thus it is an aban number.