111012200122 has 4 divisors (see below), whose sum is σ = 166518300186. Its totient is φ = 55506100060.

The previous prime is 111012200063. The next prime is 111012200141. The reversal of 111012200122 is 221002210111.

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., 58139336641 + 52872863481 = 241121^2 + 229941^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27753050029 + ... + 27753050032.

Almost surely, 2^111012200122 is an apocalyptic number.

111012200122 is a deficient number, since it is larger than the sum of its proper divisors (55506100064).

111012200122 is an equidigital number, since it uses as much as digits as its factorization.

111012200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55506100063.

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

Adding to 111012200122 its reverse (221002210111), we get a palindrome (332014410233).

The spelling of 111012200122 in words is "one hundred eleven billion, twelve million, two hundred thousand, one hundred twenty-two".