100021012207 has 2 divisors, whose sum is σ = 100021012208. Its totient is φ = 100021012206.

The previous prime is 100021012199. The next prime is 100021012253. The reversal of 100021012207 is 702210120001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100021012207 - 2³ = 100021012199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100021012297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010506103 + 50010506104.

It is an arithmetic number, because the mean of its divisors is an integer number (50010506104).

Almost surely, 2^100021012207 is an apocalyptic number.

100021012207 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021012207 is an equidigital number, since it uses as much as digits as its factorization.

100021012207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 100021012207 its reverse (702210120001), we get a palindrome (802231132208).

The spelling of 100021012207 in words is "one hundred billion, twenty-one million, twelve thousand, two hundred seven".