100021003213 has 8 divisors (see below), whose sum is σ = 105446512800. Its totient is φ = 94611618288.

The previous prime is 100021003193. The next prime is 100021003237. The reversal of 100021003213 is 312300120001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100021003213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100021003193 and 100021003202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021003013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4018423 + ... + 4043236.

It is an arithmetic number, because the mean of its divisors is an integer number (13180814100).

Almost surely, 2^100021003213 is an apocalyptic number.

It is an amenable number.

100021003213 is a deficient number, since it is larger than the sum of its proper divisors (5425509587).

100021003213 is an equidigital number, since it uses as much as digits as its factorization.

100021003213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8062331.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 100021003213 its reverse (312300120001), we get a palindrome (412321123214).

The spelling of 100021003213 in words is "one hundred billion, twenty-one million, three thousand, two hundred thirteen".