21323302203111 has 8 divisors (see below), whose sum is σ = 28431162714864. Its totient is φ = 14215488246720.

The previous prime is 21323302203043. The next prime is 21323302203149. The reversal of 21323302203111 is 11130220332312.

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

It is not a de Polignac number, because 21323302203111 - 2¹³ = 21323302194919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21323302203211) 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, 10555726 + ... + 12412491.

It is an arithmetic number, because the mean of its divisors is an integer number (3553895339358).

Almost surely, 2^{21323302203111} is an apocalyptic number.

21323302203111 is a deficient number, since it is larger than the sum of its proper divisors (7107860511753).

21323302203111 is a wasteful number, since it uses less digits than its factorization.

21323302203111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23277681.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21323302203111 its reverse (11130220332312), we get a palindrome (32453522535423).

The spelling of 21323302203111 in words is "twenty-one trillion, three hundred twenty-three billion, three hundred two million, two hundred three thousand, one hundred eleven".