21322233112 has 8 divisors (see below), whose sum is σ = 39979187100. Its totient is φ = 10661116552.

The previous prime is 21322233077. The next prime is 21322233131. The reversal of 21322233112 is 21133222312.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332639562 + ... + 1332639577.

Almost surely, 2^21322233112 is an apocalyptic number.

It is an amenable number.

21322233112 is a deficient number, since it is larger than the sum of its proper divisors (18656953988).

21322233112 is a wasteful number, since it uses less digits than its factorization.

21322233112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665279145 (or 2665279141 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

Adding to 21322233112 its reverse (21133222312), we get a palindrome (42455455424).

The spelling of 21322233112 in words is "twenty-one billion, three hundred twenty-two million, two hundred thirty-three thousand, one hundred twelve".