21332133023111 has 4 divisors (see below), whose sum is σ = 21334394469312. Its totient is φ = 21329871576912.

The previous prime is 21332133023093. The next prime is 21332133023143. The reversal of 21332133023111 is 11132033123312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21332133023111 - 2¹⁰ = 21332133022087 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 (21332133020111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130708951 + ... + 1130727816.

It is an arithmetic number, because the mean of its divisors is an integer number (5333598617328).

Almost surely, 2^{21332133023111} is an apocalyptic number.

21332133023111 is a deficient number, since it is larger than the sum of its proper divisors (2261446201).

21332133023111 is an equidigital number, since it uses as much as digits as its factorization.

21332133023111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261446200.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 21332133023111 its reverse (11132033123312), we get a palindrome (32464166146423).

The spelling of 21332133023111 in words is "twenty-one trillion, three hundred thirty-two billion, one hundred thirty-three million, twenty-three thousand, one hundred eleven".