21323232030111 has 32 divisors (see below), whose sum is σ = 31214508960768. Its totient is φ = 12840303565440.

The previous prime is 21323232030053. The next prime is 21323232030169. The reversal of 21323232030111 is 11103023232312.

It is an interprime number because it is at equal distance from previous prime (21323232030053) and next prime (21323232030169).

It is not a de Polignac number, because 21323232030111 - 2⁴² = 16925185519007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21323232030511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141868746 + ... + 142018968.

It is an arithmetic number, because the mean of its divisors is an integer number (975453405024).

Almost surely, 2^{21323232030111} is an apocalyptic number.

21323232030111 is a deficient number, since it is larger than the sum of its proper divisors (9891276930657).

21323232030111 is a wasteful number, since it uses less digits than its factorization.

21323232030111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177791.

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

Adding to 21323232030111 its reverse (11103023232312), we get a palindrome (32426255262423).

The spelling of 21323232030111 in words is "twenty-one trillion, three hundred twenty-three billion, two hundred thirty-two million, thirty thousand, one hundred eleven".