121100110199 has 2 divisors, whose sum is σ = 121100110200. Its totient is φ = 121100110198.

The previous prime is 121100110193. The next prime is 121100110211. The reversal of 121100110199 is 991011001121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121100110199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121100110193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550055099 + 60550055100.

It is an arithmetic number, because the mean of its divisors is an integer number (60550055100).

Almost surely, 2^121100110199 is an apocalyptic number.

121100110199 is a deficient number, since it is larger than the sum of its proper divisors (1).

121100110199 is an equidigital number, since it uses as much as digits as its factorization.

121100110199 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 26.

The spelling of 121100110199 in words is "one hundred twenty-one billion, one hundred million, one hundred ten thousand, one hundred ninety-nine".