100021132319 has 4 divisors (see below), whose sum is σ = 100028784696. Its totient is φ = 100013479944.

The previous prime is 100021132301. The next prime is 100021132331. The reversal of 100021132319 is 913231120001.

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 100021132319 - 2²⁴ = 100004355103 is a prime.

It is a super-2 number, since 2×100021132319² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100021132294 and 100021132303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021132369) 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, 3806549 + ... + 3832734.

It is an arithmetic number, because the mean of its divisors is an integer number (25007196174).

Almost surely, 2^100021132319 is an apocalyptic number.

100021132319 is a deficient number, since it is larger than the sum of its proper divisors (7652377).

100021132319 is an equidigital number, since it uses as much as digits as its factorization.

100021132319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7652376.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 100021132319 in words is "one hundred billion, twenty-one million, one hundred thirty-two thousand, three hundred nineteen".