222112101031 has 2 divisors, whose sum is σ = 222112101032. Its totient is φ = 222112101030.

The previous prime is 222112101023. The next prime is 222112101047. The reversal of 222112101031 is 130101211222.

It is an a-pointer prime, because the next prime (222112101047) can be obtained adding 222112101031 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222112101031 - 2³ = 222112101023 is a prime.

It is a super-2 number, since 2×222112101031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222112100996 and 222112101014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222112101011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111056050515 + 111056050516.

It is an arithmetic number, because the mean of its divisors is an integer number (111056050516).

Almost surely, 2^222112101031 is an apocalyptic number.

222112101031 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112101031 is an equidigital number, since it uses as much as digits as its factorization.

222112101031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 222112101031 its reverse (130101211222), we get a palindrome (352213312253).

The spelling of 222112101031 in words is "two hundred twenty-two billion, one hundred twelve million, one hundred one thousand, thirty-one".