100200120993 has 24 divisors (see below), whose sum is σ = 165418051968. Its totient is φ = 57254329152.

The previous prime is 100200120989. The next prime is 100200121009. The reversal of 100200120993 is 399021002001.

It is not a de Polignac number, because 100200120993 - 2² = 100200120989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100200120593) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2275996 + ... + 2319602.

It is an arithmetic number, because the mean of its divisors is an integer number (6892418832).

Almost surely, 2^100200120993 is an apocalyptic number.

It is an amenable number.

100200120993 is a deficient number, since it is larger than the sum of its proper divisors (65217930975).

100200120993 is a wasteful number, since it uses less digits than its factorization.

100200120993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80093 (or 80090 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

Adding to 100200120993 its reverse (399021002001), we get a palindrome (499221122994).

The spelling of 100200120993 in words is "one hundred billion, two hundred million, one hundred twenty thousand, nine hundred ninety-three".