111200222101231 has 2 divisors, whose sum is σ = 111200222101232. Its totient is φ = 111200222101230.

The previous prime is 111200222101211. The next prime is 111200222101271. The reversal of 111200222101231 is 132101222002111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111200222101231 - 2¹⁹ = 111200221576943 is a prime.

It is a super-2 number, since 2×111200222101231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111200222101199 and 111200222101208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111200222101211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600111050615 + 55600111050616.

It is an arithmetic number, because the mean of its divisors is an integer number (55600111050616).

Almost surely, 2^{111200222101231} is an apocalyptic number.

111200222101231 is a deficient number, since it is larger than the sum of its proper divisors (1).

111200222101231 is an equidigital number, since it uses as much as digits as its factorization.

111200222101231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 111200222101231 its reverse (132101222002111), we get a palindrome (243301444103342).

The spelling of 111200222101231 in words is "one hundred eleven trillion, two hundred billion, two hundred twenty-two million, one hundred one thousand, two hundred thirty-one".