100120200020983 has 4 divisors (see below), whose sum is σ = 100120245343488. Its totient is φ = 100120154698480.

The previous prime is 100120200020969. The next prime is 100120200020987. The reversal of 100120200020983 is 389020002021001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100120200020983 - 2⁹ = 100120200020471 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 (100120200020987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19168183 + ... + 23825608.

It is an arithmetic number, because the mean of its divisors is an integer number (25030061335872).

Almost surely, 2^{100120200020983} is an apocalyptic number.

100120200020983 is a deficient number, since it is larger than the sum of its proper divisors (45322505).

100120200020983 is an equidigital number, since it uses as much as digits as its factorization.

100120200020983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45322504.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 100120200020983 its reverse (389020002021001), we get a palindrome (489140202041984).

The spelling of 100120200020983 in words is "one hundred trillion, one hundred twenty billion, two hundred million, twenty thousand, nine hundred eighty-three".