202344120091 has 2 divisors, whose sum is σ = 202344120092. Its totient is φ = 202344120090.

The previous prime is 202344120067. The next prime is 202344120107. The reversal of 202344120091 is 190021443202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202344120091 is a prime.

It is not a weakly prime, because it can be changed into another prime (202344120001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101172060045 + 101172060046.

It is an arithmetic number, because the mean of its divisors is an integer number (101172060046).

Almost surely, 2^202344120091 is an apocalyptic number.

202344120091 is a deficient number, since it is larger than the sum of its proper divisors (1).

202344120091 is an equidigital number, since it uses as much as digits as its factorization.

202344120091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 202344120091 its reverse (190021443202), we get a palindrome (392365563293).

The spelling of 202344120091 in words is "two hundred two billion, three hundred forty-four million, one hundred twenty thousand, ninety-one".