222112002121231 has 2 divisors, whose sum is σ = 222112002121232. Its totient is φ = 222112002121230.

The previous prime is 222112002121159. The next prime is 222112002121253. The reversal of 222112002121231 is 132121200211222.

It is an a-pointer prime, because the next prime (222112002121253) can be obtained adding 222112002121231 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222112002121231 is a prime.

It is a super-2 number, since 2×222112002121231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222112002121631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111056001060615 + 111056001060616.

It is an arithmetic number, because the mean of its divisors is an integer number (111056001060616).

Almost surely, 2^{222112002121231} is an apocalyptic number.

222112002121231 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112002121231 is an equidigital number, since it uses as much as digits as its factorization.

222112002121231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 222112002121231 its reverse (132121200211222), we get a palindrome (354233202332453).

The spelling of 222112002121231 in words is "two hundred twenty-two trillion, one hundred twelve billion, two million, one hundred twenty-one thousand, two hundred thirty-one".