100663211 has 4 divisors (see below), whose sum is σ = 109814424. Its totient is φ = 91512000.

The previous prime is 100663207. The next prime is 100663217. The reversal of 100663211 is 112366001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100663211 - 2² = 100663207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100663217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4575590 + ... + 4575611.

It is an arithmetic number, because the mean of its divisors is an integer number (27453606).

Almost surely, 2^100663211 is an apocalyptic number.

100663211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100663211 is a deficient number, since it is larger than the sum of its proper divisors (9151213).

100663211 is an equidigital number, since it uses as much as digits as its factorization.

100663211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9151212.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 100663211 is about 10033.1057504643. The cubic root of 100663211 is about 465.1827408317.

The spelling of 100663211 in words is "one hundred million, six hundred sixty-three thousand, two hundred eleven".