100022220091 has 2 divisors, whose sum is σ = 100022220092. Its totient is φ = 100022220090.

The previous prime is 100022220083. The next prime is 100022220097. The reversal of 100022220091 is 190022220001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100022220091 - 2³ = 100022220083 is a prime.

It is not a weakly prime, because it can be changed into another prime (100022220097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50011110045 + 50011110046.

It is an arithmetic number, because the mean of its divisors is an integer number (50011110046).

Almost surely, 2^100022220091 is an apocalyptic number.

100022220091 is a deficient number, since it is larger than the sum of its proper divisors (1).

100022220091 is an equidigital number, since it uses as much as digits as its factorization.

100022220091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 100022220091 its reverse (190022220001), we get a palindrome (290044440092).

The spelling of 100022220091 in words is "one hundred billion, twenty-two million, two hundred twenty thousand, ninety-one".