121101099179 has 2 divisors, whose sum is σ = 121101099180. Its totient is φ = 121101099178.

The previous prime is 121101099169. The next prime is 121101099187. The reversal of 121101099179 is 971990101121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121101099179 - 2¹² = 121101095083 is a prime.

It is not a weakly prime, because it can be changed into another prime (121101099169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550549589 + 60550549590.

It is an arithmetic number, because the mean of its divisors is an integer number (60550549590).

Almost surely, 2^121101099179 is an apocalyptic number.

121101099179 is a deficient number, since it is larger than the sum of its proper divisors (1).

121101099179 is an equidigital number, since it uses as much as digits as its factorization.

121101099179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 41.

The spelling of 121101099179 in words is "one hundred twenty-one billion, one hundred one million, ninety-nine thousand, one hundred seventy-nine".