100222102111091 has 2 divisors, whose sum is σ = 100222102111092. Its totient is φ = 100222102111090.

The previous prime is 100222102111039. The next prime is 100222102111099. The reversal of 100222102111091 is 190111201222001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100222102111091 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (100222102111099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50111051055545 + 50111051055546.

It is an arithmetic number, because the mean of its divisors is an integer number (50111051055546).

Almost surely, 2^{100222102111091} is an apocalyptic number.

100222102111091 is a deficient number, since it is larger than the sum of its proper divisors (1).

100222102111091 is an equidigital number, since it uses as much as digits as its factorization.

100222102111091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

Adding to 100222102111091 its reverse (190111201222001), we get a palindrome (290333303333092).

The spelling of 100222102111091 in words is "one hundred trillion, two hundred twenty-two billion, one hundred two million, one hundred eleven thousand, ninety-one".