111005022251051 has 2 divisors, whose sum is σ = 111005022251052. Its totient is φ = 111005022251050.

The previous prime is 111005022251017. The next prime is 111005022251117. The reversal of 111005022251051 is 150152220500111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111005022251051 is a prime.

It is a super-3 number, since 3×111005022251051³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 111005022251051.

It is not a weakly prime, because it can be changed into another prime (111005022251251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55502511125525 + 55502511125526.

It is an arithmetic number, because the mean of its divisors is an integer number (55502511125526).

Almost surely, 2^{111005022251051} is an apocalyptic number.

111005022251051 is a deficient number, since it is larger than the sum of its proper divisors (1).

111005022251051 is an equidigital number, since it uses as much as digits as its factorization.

111005022251051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000, while the sum is 26.

Adding to 111005022251051 its reverse (150152220500111), we get a palindrome (261157242751162).

The spelling of 111005022251051 in words is "one hundred eleven trillion, five billion, twenty-two million, two hundred fifty-one thousand, fifty-one".