100002032021 has 4 divisors (see below), whose sum is σ = 100600846752. Its totient is φ = 99403217292.

The previous prime is 100002032003. The next prime is 100002032047. The reversal of 100002032021 is 120230200001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100002032021 - 2¹⁸ = 100001769877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100002031993 and 100002032011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100002032621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299407115 + ... + 299407448.

It is an arithmetic number, because the mean of its divisors is an integer number (25150211688).

Almost surely, 2^100002032021 is an apocalyptic number.

It is an amenable number.

100002032021 is a deficient number, since it is larger than the sum of its proper divisors (598814731).

100002032021 is an equidigital number, since it uses as much as digits as its factorization.

100002032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598814730.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 100002032021 its reverse (120230200001), we get a palindrome (220232232022).

The spelling of 100002032021 in words is "one hundred billion, two million, thirty-two thousand, twenty-one".