222101100091919 has 2 divisors, whose sum is σ = 222101100091920. Its totient is φ = 222101100091918.

The previous prime is 222101100091903. The next prime is 222101100091943. The reversal of 222101100091919 is 919190001101222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222101100091919 - 2⁴ = 222101100091903 is a prime.

It is a super-2 number, since 2×222101100091919² (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 (222101100096919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050550045959 + 111050550045960.

It is an arithmetic number, because the mean of its divisors is an integer number (111050550045960).

Almost surely, 2^{222101100091919} is an apocalyptic number.

222101100091919 is a deficient number, since it is larger than the sum of its proper divisors (1).

222101100091919 is an equidigital number, since it uses as much as digits as its factorization.

222101100091919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 222101100091919 in words is "two hundred twenty-two trillion, one hundred one billion, one hundred million, ninety-one thousand, nine hundred nineteen".