23021210103221 has 8 divisors (see below), whose sum is σ = 25114111817088. Its totient is φ = 20928319128000.

The previous prime is 23021210103179. The next prime is 23021210103233. The reversal of 23021210103221 is 12230101212032.

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 23021210103221 - 2²² = 23021205908917 is a prime.

It is a super-2 number, since 2×23021210103221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23021210103193 and 23021210103202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021210103271) 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, 2181236 + ... + 7127426.

It is an arithmetic number, because the mean of its divisors is an integer number (3139263977136).

Almost surely, 2^{23021210103221} is an apocalyptic number.

It is an amenable number.

23021210103221 is a deficient number, since it is larger than the sum of its proper divisors (2092901713867).

23021210103221 is a wasteful number, since it uses less digits than its factorization.

23021210103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369323.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 23021210103221 its reverse (12230101212032), we get a palindrome (35251311315253).

The spelling of 23021210103221 in words is "twenty-three trillion, twenty-one billion, two hundred ten million, one hundred three thousand, two hundred twenty-one".