100000021199 has 8 divisors (see below), whose sum is σ = 107713006800. Its totient is φ = 92289989376.

The previous prime is 100000021193. The next prime is 100000021201. The reversal of 100000021199 is 991120000001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-100000021199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000021193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667874 + ... + 803775.

It is an arithmetic number, because the mean of its divisors is an integer number (13464125850).

Almost surely, 2^100000021199 is an apocalyptic number.

100000021199 is a deficient number, since it is larger than the sum of its proper divisors (7712985601).

100000021199 is a wasteful number, since it uses less digits than its factorization.

100000021199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476889.

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 100000021199 in words is "one hundred billion, twenty-one thousand, one hundred ninety-nine".