111106383881 has 2 divisors, whose sum is σ = 111106383882. Its totient is φ = 111106383880.

The previous prime is 111106383877. The next prime is 111106383887. The reversal of 111106383881 is 188383601111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104535822400 + 6570561481 = 323320^2 + 81059^2 .

It is a cyclic number.

It is not a de Polignac number, because 111106383881 - 2² = 111106383877 is a prime.

It is a super-2 number, since 2×111106383881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111106383887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55553191940 + 55553191941.

It is an arithmetic number, because the mean of its divisors is an integer number (55553191941).

Almost surely, 2^111106383881 is an apocalyptic number.

It is an amenable number.

111106383881 is a deficient number, since it is larger than the sum of its proper divisors (1).

111106383881 is an equidigital number, since it uses as much as digits as its factorization.

111106383881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 41.

Adding to 111106383881 its reverse (188383601111), we get a palindrome (299489984992).

The spelling of 111106383881 in words is "one hundred eleven billion, one hundred six million, three hundred eighty-three thousand, eight hundred eighty-one".