100021020013201 has 4 divisors (see below), whose sum is σ = 114309737157952. Its totient is φ = 85732302868452.

The previous prime is 100021020013183. The next prime is 100021020013247. The reversal of 100021020013201 is 102310020120001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100021020013201 - 2⁵ = 100021020013169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100021020013601) 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, 7144358572365 + ... + 7144358572378.

It is an arithmetic number, because the mean of its divisors is an integer number (28577434289488).

Almost surely, 2^{100021020013201} is an apocalyptic number.

It is an amenable number.

100021020013201 is a deficient number, since it is larger than the sum of its proper divisors (14288717144751).

100021020013201 is an equidigital number, since it uses as much as digits as its factorization.

100021020013201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14288717144750.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 100021020013201 its reverse (102310020120001), we get a palindrome (202331040133202).

The spelling of 100021020013201 in words is "one hundred trillion, twenty-one billion, twenty million, thirteen thousand, two hundred one".