111010022122 has 4 divisors (see below), whose sum is σ = 166515033186. Its totient is φ = 55505011060.

The previous prime is 111010022051. The next prime is 111010022131. The reversal of 111010022122 is 221220010111.

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., 69022323841 + 41987698281 = 262721^2 + 204909^2 .

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, 27752505529 + ... + 27752505532.

Almost surely, 2^111010022122 is an apocalyptic number.

111010022122 is a deficient number, since it is larger than the sum of its proper divisors (55505011064).

111010022122 is an equidigital number, since it uses as much as digits as its factorization.

111010022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55505011063.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111010022122 its reverse (221220010111), we get a palindrome (332230032233).

The spelling of 111010022122 in words is "one hundred eleven billion, ten million, twenty-two thousand, one hundred twenty-two".