100021203223 has 2 divisors, whose sum is σ = 100021203224. Its totient is φ = 100021203222.

The previous prime is 100021203173. The next prime is 100021203253. The reversal of 100021203223 is 322302120001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100021203223 - 2⁹ = 100021202711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100021203197 and 100021203206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100021203253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010601611 + 50010601612.

It is an arithmetic number, because the mean of its divisors is an integer number (50010601612).

Almost surely, 2^100021203223 is an apocalyptic number.

100021203223 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021203223 is an equidigital number, since it uses as much as digits as its factorization.

100021203223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 100021203223 its reverse (322302120001), we get a palindrome (422323323224).

The spelling of 100021203223 in words is "one hundred billion, twenty-one million, two hundred three thousand, two hundred twenty-three".