105242920199 has 2 divisors, whose sum is σ = 105242920200. Its totient is φ = 105242920198.

The previous prime is 105242920183. The next prime is 105242920201. The reversal of 105242920199 is 991029242501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105242920199 - 2⁴ = 105242920183 is a prime.

It is a super-2 number, since 2×105242920199² (a number of 23 digits) contains 22 as substring.

Together with 105242920201, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105242920109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52621460099 + 52621460100.

It is an arithmetic number, because the mean of its divisors is an integer number (52621460100).

Almost surely, 2^105242920199 is an apocalyptic number.

105242920199 is a deficient number, since it is larger than the sum of its proper divisors (1).

105242920199 is an equidigital number, since it uses as much as digits as its factorization.

105242920199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 105242920199 in words is "one hundred five billion, two hundred forty-two million, nine hundred twenty thousand, one hundred ninety-nine".