100021012199 has 2 divisors, whose sum is σ = 100021012200. Its totient is φ = 100021012198.

The previous prime is 100021012183. The next prime is 100021012207. The reversal of 100021012199 is 991210120001.

It is a strong prime.

It is an emirp because it is prime and its reverse (991210120001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100021012199 - 2⁴ = 100021012183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100021012699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010506099 + 50010506100.

It is an arithmetic number, because the mean of its divisors is an integer number (50010506100).

Almost surely, 2^100021012199 is an apocalyptic number.

100021012199 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021012199 is an equidigital number, since it uses as much as digits as its factorization.

100021012199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 26.

It can be divided in two parts, 10002 and 1012199, that added together give a palindrome (1022201).

The spelling of 100021012199 in words is "one hundred billion, twenty-one million, twelve thousand, one hundred ninety-nine".