100021503223 has 2 divisors, whose sum is σ = 100021503224. Its totient is φ = 100021503222.

The previous prime is 100021503203. The next prime is 100021503233. The reversal of 100021503223 is 322305120001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100021503223 - 2⁵ = 100021503191 is a prime.

It is a super-2 number, since 2×100021503223² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100021503223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100021503203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010751611 + 50010751612.

It is an arithmetic number, because the mean of its divisors is an integer number (50010751612).

Almost surely, 2^100021503223 is an apocalyptic number.

100021503223 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021503223 is an equidigital number, since it uses as much as digits as its factorization.

100021503223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 100021503223 its reverse (322305120001), we get a palindrome (422326623224).

The spelling of 100021503223 in words is "one hundred billion, twenty-one million, five hundred three thousand, two hundred twenty-three".