102032220091 has 2 divisors, whose sum is σ = 102032220092. Its totient is φ = 102032220090.

The previous prime is 102032220007. The next prime is 102032220107. The reversal of 102032220091 is 190022230201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102032220091 - 2⁷ = 102032219963 is a prime.

It is not a weakly prime, because it can be changed into another prime (102032220001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51016110045 + 51016110046.

It is an arithmetic number, because the mean of its divisors is an integer number (51016110046).

Almost surely, 2^102032220091 is an apocalyptic number.

102032220091 is a deficient number, since it is larger than the sum of its proper divisors (1).

102032220091 is an equidigital number, since it uses as much as digits as its factorization.

102032220091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 102032220091 its reverse (190022230201), we get a palindrome (292054450292).

The spelling of 102032220091 in words is "one hundred two billion, thirty-two million, two hundred twenty thousand, ninety-one".