100111210021999 has 8 divisors (see below), whose sum is σ = 109212410068992. Its totient is φ = 91010040134040.

The previous prime is 100111210021997. The next prime is 100111210022041. The reversal of 100111210021999 is 999120012111001.

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

It is a cyclic number.

It is not a de Polignac number, because 100111210021999 - 2¹ = 100111210021997 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 (100111210021997) 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, 296559 + ... + 14153104.

It is an arithmetic number, because the mean of its divisors is an integer number (13651551258624).

Almost surely, 2^{100111210021999} is an apocalyptic number.

100111210021999 is a deficient number, since it is larger than the sum of its proper divisors (9101200046993).

100111210021999 is a wasteful number, since it uses less digits than its factorization.

100111210021999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15079517.

The product of its (nonzero) digits is 2916, while the sum is 37.

The spelling of 100111210021999 in words is "one hundred trillion, one hundred eleven billion, two hundred ten million, twenty-one thousand, nine hundred ninety-nine".