111365701231 has 2 divisors, whose sum is σ = 111365701232. Its totient is φ = 111365701230.

The previous prime is 111365701201. The next prime is 111365701241. The reversal of 111365701231 is 132107563111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111365701231 - 2²³ = 111357312623 is a prime.

It is a super-2 number, since 2×111365701231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111365701193 and 111365701202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111365701201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55682850615 + 55682850616.

It is an arithmetic number, because the mean of its divisors is an integer number (55682850616).

Almost surely, 2^111365701231 is an apocalyptic number.

111365701231 is a deficient number, since it is larger than the sum of its proper divisors (1).

111365701231 is an equidigital number, since it uses as much as digits as its factorization.

111365701231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 31.

The spelling of 111365701231 in words is "one hundred eleven billion, three hundred sixty-five million, seven hundred one thousand, two hundred thirty-one".