100021019963 has 2 divisors, whose sum is σ = 100021019964. Its totient is φ = 100021019962.

The previous prime is 100021019951. The next prime is 100021020013. The reversal of 100021019963 is 369910120001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100021019963 - 2²⁸ = 99752584507 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (100021010963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010509981 + 50010509982.

It is an arithmetic number, because the mean of its divisors is an integer number (50010509982).

Almost surely, 2^100021019963 is an apocalyptic number.

100021019963 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021019963 is an equidigital number, since it uses as much as digits as its factorization.

100021019963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 32.

Adding to 100021019963 its reverse (369910120001), we get a palindrome (469931139964).

The spelling of 100021019963 in words is "one hundred billion, twenty-one million, nineteen thousand, nine hundred sixty-three".