100000999229 has 2 divisors, whose sum is σ = 100000999230. Its totient is φ = 100000999228.

The previous prime is 100000999199. The next prime is 100000999277. The reversal of 100000999229 is 922999000001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80205072025 + 19795927204 = 283205^2 + 140698^2 .

It is a cyclic number.

It is not a de Polignac number, because 100000999229 - 2⁸ = 100000998973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100000999829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000499614 + 50000499615.

It is an arithmetic number, because the mean of its divisors is an integer number (50000499615).

Almost surely, 2^100000999229 is an apocalyptic number.

It is an amenable number.

100000999229 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000999229 is an equidigital number, since it uses as much as digits as its factorization.

100000999229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 41.

The spelling of 100000999229 in words is "one hundred billion, nine hundred ninety-nine thousand, two hundred twenty-nine".