100911229 has 2 divisors, whose sum is σ = 100911230. Its totient is φ = 100911228.

The previous prime is 100911227. The next prime is 100911257. The reversal of 100911229 is 922119001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65983129 + 34928100 = 8123^2 + 5910^2 .

It is a cyclic number.

It is not a de Polignac number, because 100911229 - 2¹ = 100911227 is a prime.

It is a super-2 number, since 2×100911229² = 20366152276580882, which contains 22 as substring.

Together with 100911227, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100911227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50455614 + 50455615.

It is an arithmetic number, because the mean of its divisors is an integer number (50455615).

Almost surely, 2^100911229 is an apocalyptic number.

It is an amenable number.

100911229 is a deficient number, since it is larger than the sum of its proper divisors (1).

100911229 is an equidigital number, since it uses as much as digits as its factorization.

100911229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 100911229 is about 10045.4581279303. The cubic root of 100911229 is about 465.5644727053.

The spelling of 100911229 in words is "one hundred million, nine hundred eleven thousand, two hundred twenty-nine".