111302203213231 has 2 divisors, whose sum is σ = 111302203213232. Its totient is φ = 111302203213230.

The previous prime is 111302203213193. The next prime is 111302203213307. The reversal of 111302203213231 is 132312302203111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111302203213231 - 2¹⁵ = 111302203180463 is a prime.

It is a super-2 number, since 2×111302203213231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111302203213196 and 111302203213205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111302203211231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55651101606615 + 55651101606616.

It is an arithmetic number, because the mean of its divisors is an integer number (55651101606616).

Almost surely, 2^{111302203213231} is an apocalyptic number.

111302203213231 is a deficient number, since it is larger than the sum of its proper divisors (1).

111302203213231 is an equidigital number, since it uses as much as digits as its factorization.

111302203213231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 111302203213231 its reverse (132312302203111), we get a palindrome (243614505416342).

The spelling of 111302203213231 in words is "one hundred eleven trillion, three hundred two billion, two hundred three million, two hundred thirteen thousand, two hundred thirty-one".