21231033203101 has 8 divisors (see below), whose sum is σ = 21582524407808. Its totient is φ = 20879653014000.

The previous prime is 21231033203077. The next prime is 21231033203131. The reversal of 21231033203101 is 10130233013212.

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 21231033203101 - 2³¹ = 21228885719453 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 (21231033203131) 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, 27368205 + ... + 28133266.

It is an arithmetic number, because the mean of its divisors is an integer number (2697815550976).

Almost surely, 2^{21231033203101} is an apocalyptic number.

It is an amenable number.

21231033203101 is a deficient number, since it is larger than the sum of its proper divisors (351491204707).

21231033203101 is an equidigital number, since it uses as much as digits as its factorization.

21231033203101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55507803.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21231033203101 its reverse (10130233013212), we get a palindrome (31361266216313).

The spelling of 21231033203101 in words is "twenty-one trillion, two hundred thirty-one billion, thirty-three million, two hundred three thousand, one hundred one".