100021400203 has 2 divisors, whose sum is σ = 100021400204. Its totient is φ = 100021400202.

The previous prime is 100021400177. The next prime is 100021400207. The reversal of 100021400203 is 302004120001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100021400203 is a prime.

It is not a weakly prime, because it can be changed into another prime (100021400207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010700101 + 50010700102.

It is an arithmetic number, because the mean of its divisors is an integer number (50010700102).

Almost surely, 2^100021400203 is an apocalyptic number.

100021400203 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021400203 is an equidigital number, since it uses as much as digits as its factorization.

100021400203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 100021400203 its reverse (302004120001), we get a palindrome (402025520204).

The spelling of 100021400203 in words is "one hundred billion, twenty-one million, four hundred thousand, two hundred three".