111010220051 has 2 divisors, whose sum is σ = 111010220052. Its totient is φ = 111010220050.

The previous prime is 111010220039. The next prime is 111010220077. The reversal of 111010220051 is 150022010111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111010220051 - 2¹⁰ = 111010219027 is a prime.

It is not a weakly prime, because it can be changed into another prime (111010220551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505110025 + 55505110026.

It is an arithmetic number, because the mean of its divisors is an integer number (55505110026).

Almost surely, 2^111010220051 is an apocalyptic number.

111010220051 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010220051 is an equidigital number, since it uses as much as digits as its factorization.

111010220051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 111010220051 its reverse (150022010111), we get a palindrome (261032230162).

The spelling of 111010220051 in words is "one hundred eleven billion, ten million, two hundred twenty thousand, fifty-one".