100990662803 has 4 divisors (see below), whose sum is σ = 101548622448. Its totient is φ = 100432703160.

The previous prime is 100990662743. The next prime is 100990662833. The reversal of 100990662803 is 308266099001.

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 100990662803 - 2²⁰ = 100989614227 is a prime.

It is a super-2 number, since 2×100990662803² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100990662833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278979551 + ... + 278979912.

It is an arithmetic number, because the mean of its divisors is an integer number (25387155612).

Almost surely, 2^100990662803 is an apocalyptic number.

100990662803 is a deficient number, since it is larger than the sum of its proper divisors (557959645).

100990662803 is an equidigital number, since it uses as much as digits as its factorization.

100990662803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557959644.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 100990662803 in words is "one hundred billion, nine hundred ninety million, six hundred sixty-two thousand, eight hundred three".