111022275131 has 2 divisors, whose sum is σ = 111022275132. Its totient is φ = 111022275130.

The previous prime is 111022275121. The next prime is 111022275167. The reversal of 111022275131 is 131572220111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111022275131 - 2¹⁰ = 111022274107 is a prime.

It is a super-2 number, since 2×111022275131² (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 111022275131.

It is not a weakly prime, because it can be changed into another prime (111022275101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55511137565 + 55511137566.

It is an arithmetic number, because the mean of its divisors is an integer number (55511137566).

Almost surely, 2^111022275131 is an apocalyptic number.

111022275131 is a deficient number, since it is larger than the sum of its proper divisors (1).

111022275131 is an equidigital number, since it uses as much as digits as its factorization.

111022275131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 26.

Adding to 111022275131 its reverse (131572220111), we get a palindrome (242594495242).

The spelling of 111022275131 in words is "one hundred eleven billion, twenty-two million, two hundred seventy-five thousand, one hundred thirty-one".