100021132103 has 4 divisors (see below), whose sum is σ = 100032395760. Its totient is φ = 100009868448.

The previous prime is 100021132097. The next prime is 100021132111. The reversal of 100021132103 is 301231120001.

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 100021132103 - 2¹⁰ = 100021131079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021152103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5618498 + ... + 5636271.

It is an arithmetic number, because the mean of its divisors is an integer number (25008098940).

Almost surely, 2^100021132103 is an apocalyptic number.

100021132103 is a deficient number, since it is larger than the sum of its proper divisors (11263657).

100021132103 is an equidigital number, since it uses as much as digits as its factorization.

100021132103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11263656.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 100021132103 its reverse (301231120001), we get a palindrome (401252252104).

The spelling of 100021132103 in words is "one hundred billion, twenty-one million, one hundred thirty-two thousand, one hundred three".