21023201332311 has 32 divisors (see below), whose sum is σ = 29142707193600. Its totient is φ = 13468984694784.

The previous prime is 21023201332291. The next prime is 21023201332327. The reversal of 21023201332311 is 11323310232012.

It is not a de Polignac number, because 21023201332311 - 2⁶ = 21023201332247 is a prime.

It is a super-3 number, since 3×21023201332311³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023201332361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36594615 + ... + 37164663.

It is an arithmetic number, because the mean of its divisors is an integer number (910709599800).

Almost surely, 2^{21023201332311} is an apocalyptic number.

21023201332311 is a deficient number, since it is larger than the sum of its proper divisors (8119505861289).

21023201332311 is a wasteful number, since it uses less digits than its factorization.

21023201332311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574175.

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

Adding to 21023201332311 its reverse (11323310232012), we get a palindrome (32346511564323).

The spelling of 21023201332311 in words is "twenty-one trillion, twenty-three billion, two hundred one million, three hundred thirty-two thousand, three hundred eleven".