111022235081 has 2 divisors, whose sum is σ = 111022235082. Its totient is φ = 111022235080.

The previous prime is 111022235047. The next prime is 111022235167. The reversal of 111022235081 is 180532220111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56114029456 + 54908205625 = 236884^2 + 234325^2 .

It is a cyclic number.

It is not a de Polignac number, because 111022235081 - 2⁶ = 111022235017 is a prime.

It is a super-2 number, since 2×111022235081² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111022235081.

It is not a weakly prime, because it can be changed into another prime (111022205081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55511117540 + 55511117541.

It is an arithmetic number, because the mean of its divisors is an integer number (55511117541).

Almost surely, 2^111022235081 is an apocalyptic number.

It is an amenable number.

111022235081 is a deficient number, since it is larger than the sum of its proper divisors (1).

111022235081 is an equidigital number, since it uses as much as digits as its factorization.

111022235081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 111022235081 its reverse (180532220111), we get a palindrome (291554455192).

The spelling of 111022235081 in words is "one hundred eleven billion, twenty-two million, two hundred thirty-five thousand, eighty-one".