222112201391 has 2 divisors, whose sum is σ = 222112201392. Its totient is φ = 222112201390.

The previous prime is 222112201331. The next prime is 222112201411. The reversal of 222112201391 is 193102211222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222112201391 - 2¹⁴ = 222112185007 is a prime.

It is a super-2 number, since 2×222112201391² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222112201391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222112201331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111056100695 + 111056100696.

It is an arithmetic number, because the mean of its divisors is an integer number (111056100696).

Almost surely, 2^222112201391 is an apocalyptic number.

222112201391 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112201391 is an equidigital number, since it uses as much as digits as its factorization.

222112201391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 222112201391 in words is "two hundred twenty-two billion, one hundred twelve million, two hundred one thousand, three hundred ninety-one".