121131102299 has 2 divisors, whose sum is σ = 121131102300. Its totient is φ = 121131102298.

The previous prime is 121131102259. The next prime is 121131102319. The reversal of 121131102299 is 992201131121.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (992201131121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121131102299 is a prime.

It is not a weakly prime, because it can be changed into another prime (121131102259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60565551149 + 60565551150.

It is an arithmetic number, because the mean of its divisors is an integer number (60565551150).

Almost surely, 2^121131102299 is an apocalyptic number.

121131102299 is a deficient number, since it is larger than the sum of its proper divisors (1).

121131102299 is an equidigital number, since it uses as much as digits as its factorization.

121131102299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 32.

The spelling of 121131102299 in words is "one hundred twenty-one billion, one hundred thirty-one million, one hundred two thousand, two hundred ninety-nine".