100120111993 has 8 divisors (see below), whose sum is σ = 109440828000. Its totient is φ = 90835877280.

The previous prime is 100120111979. The next prime is 100120112087. The reversal of 100120111993 is 399111021001.

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 100120111993 - 2¹⁷ = 100119980921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100120111913) 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, 9114580 + ... + 9125557.

It is an arithmetic number, because the mean of its divisors is an integer number (13680103500).

Almost surely, 2^100120111993 is an apocalyptic number.

It is an amenable number.

100120111993 is a deficient number, since it is larger than the sum of its proper divisors (9320716007).

100120111993 is a wasteful number, since it uses less digits than its factorization.

100120111993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18240647.

The product of its (nonzero) digits is 486, while the sum is 28.

Adding to 100120111993 its reverse (399111021001), we get a palindrome (499231132994).

The spelling of 100120111993 in words is "one hundred billion, one hundred twenty million, one hundred eleven thousand, nine hundred ninety-three".