10200109091 has 2 divisors, whose sum is σ = 10200109092. Its totient is φ = 10200109090.

The previous prime is 10200109067. The next prime is 10200109097. The reversal of 10200109091 is 19090100201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10200109091 is a prime.

It is not a weakly prime, because it can be changed into another prime (10200109097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100054545 + 5100054546.

It is an arithmetic number, because the mean of its divisors is an integer number (5100054546).

Almost surely, 2^10200109091 is an apocalyptic number.

10200109091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10200109091 is an equidigital number, since it uses as much as digits as its factorization.

10200109091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 23.

Adding to 10200109091 its reverse (19090100201), we get a palindrome (29290209292).

The spelling of 10200109091 in words is "ten billion, two hundred million, one hundred nine thousand, ninety-one".