100021200011983 has 4 divisors (see below), whose sum is σ = 100023274285128. Its totient is φ = 100019125738840.

The previous prime is 100021200011921. The next prime is 100021200012023. The reversal of 100021200011983 is 389110002120001.

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 100021200011983 - 2⁹ = 100021200011471 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 (100021200081983) 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, 1037064241 + ... + 1037160682.

It is an arithmetic number, because the mean of its divisors is an integer number (25005818571282).

Almost surely, 2^{100021200011983} is an apocalyptic number.

100021200011983 is a deficient number, since it is larger than the sum of its proper divisors (2074273145).

100021200011983 is an equidigital number, since it uses as much as digits as its factorization.

100021200011983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074273144.

The product of its (nonzero) digits is 864, while the sum is 28.

Adding to 100021200011983 its reverse (389110002120001), we get a palindrome (489131202131984).

The spelling of 100021200011983 in words is "one hundred trillion, twenty-one billion, two hundred million, eleven thousand, nine hundred eighty-three".