111044122051 has 2 divisors, whose sum is σ = 111044122052. Its totient is φ = 111044122050.

The previous prime is 111044122037. The next prime is 111044122099. The reversal of 111044122051 is 150221440111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111044122051 is a prime.

It is not a weakly prime, because it can be changed into another prime (111044122351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55522061025 + 55522061026.

It is an arithmetic number, because the mean of its divisors is an integer number (55522061026).

Almost surely, 2^111044122051 is an apocalyptic number.

111044122051 is a deficient number, since it is larger than the sum of its proper divisors (1).

111044122051 is an equidigital number, since it uses as much as digits as its factorization.

111044122051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 111044122051 its reverse (150221440111), we get a palindrome (261265562162).

The spelling of 111044122051 in words is "one hundred eleven billion, forty-four million, one hundred twenty-two thousand, fifty-one".