111120010122122 has 4 divisors (see below), whose sum is σ = 166680015183186. Its totient is φ = 55560005061060.

The previous prime is 111120010122073. The next prime is 111120010122131. The reversal of 111120010122122 is 221221010021111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 107043047437921 + 4076962684201 = 10346161^2 + 2019149^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111120010122122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27780002530529 + ... + 27780002530532.

Almost surely, 2^{111120010122122} is an apocalyptic number.

111120010122122 is a deficient number, since it is larger than the sum of its proper divisors (55560005061064).

111120010122122 is an equidigital number, since it uses as much as digits as its factorization.

111120010122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55560005061063.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111120010122122 its reverse (221221010021111), we get a palindrome (332341020143233).

The spelling of 111120010122122 in words is "one hundred eleven trillion, one hundred twenty billion, ten million, one hundred twenty-two thousand, one hundred twenty-two".