21323331211012 has 24 divisors (see below), whose sum is σ = 37708889308160. Its totient is φ = 10549805847840.

The previous prime is 21323331211003. The next prime is 21323331211027. The reversal of 21323331211012 is 21011213332312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55183539 + ... + 55568602.

Almost surely, 2^{21323331211012} is an apocalyptic number.

It is an amenable number.

21323331211012 is a deficient number, since it is larger than the sum of its proper divisors (16385558097148).

21323331211012 is a wasteful number, since it uses less digits than its factorization.

21323331211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110752651 (or 110752649 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 21323331211012 its reverse (21011213332312), we get a palindrome (42334544543324).

The spelling of 21323331211012 in words is "twenty-one trillion, three hundred twenty-three billion, three hundred thirty-one million, two hundred eleven thousand, twelve".