10111121099 has 2 divisors, whose sum is σ = 10111121100. Its totient is φ = 10111121098.

The previous prime is 10111121051. The next prime is 10111121173. The reversal of 10111121099 is 99012111101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10111121099 is a prime.

It is not a weakly prime, because it can be changed into another prime (10111121039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055560549 + 5055560550.

It is an arithmetic number, because the mean of its divisors is an integer number (5055560550).

Almost surely, 2^10111121099 is an apocalyptic number.

10111121099 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111121099 is an equidigital number, since it uses as much as digits as its factorization.

10111121099 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 10111121099 in words is "ten billion, one hundred eleven million, one hundred twenty-one thousand, ninety-nine".