23101110203021 has 8 divisors (see below), whose sum is σ = 23857708844160. Its totient is φ = 22355556797728.

The previous prime is 23101110202967. The next prime is 23101110203051. The reversal of 23101110203021 is 12030201110132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23101110203021 is a prime.

It is a super-2 number, since 2×23101110203021² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23101110203051) 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, 2761304711 + ... + 2761313076.

It is an arithmetic number, because the mean of its divisors is an integer number (2982213605520).

Almost surely, 2^{23101110203021} is an apocalyptic number.

It is an amenable number.

23101110203021 is a deficient number, since it is larger than the sum of its proper divisors (756598641139).

23101110203021 is an equidigital number, since it uses as much as digits as its factorization.

23101110203021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522617923.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 23101110203021 its reverse (12030201110132), we get a palindrome (35131311313153).

The spelling of 23101110203021 in words is "twenty-three trillion, one hundred one billion, one hundred ten million, two hundred three thousand, twenty-one".