21233312311122 has 48 divisors (see below), whose sum is σ = 48998861550912. Its totient is φ = 6886479662640.

The previous prime is 21233312311091. The next prime is 21233312311151. The reversal of 21233312311122 is 22111321333212.

21233312311122 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 331 + 2 + 311 + 12 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 590386654 + ... + 590422617.

It is an arithmetic number, because the mean of its divisors is an integer number (1020809615644).

Almost surely, 2^{21233312311122} is an apocalyptic number.

21233312311122 is an abundant number, since it is smaller than the sum of its proper divisors (27765549239790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21233312311122 is a wasteful number, since it uses less digits than its factorization.

21233312311122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180809325 (or 1180809313 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 21233312311122 its reverse (22111321333212), we get a palindrome (43344633644334).

The spelling of 21233312311122 in words is "twenty-one trillion, two hundred thirty-three billion, three hundred twelve million, three hundred eleven thousand, one hundred twenty-two".