21233211122 has 8 divisors (see below), whose sum is σ = 31850865372. Its totient is φ = 10616256000.

The previous prime is 21233211107. The next prime is 21233211161. The reversal of 21233211122 is 22111233212.

It can be written as a sum of positive squares in 2 ways, for example, as 13591129561 + 7642081561 = 116581^2 + 87419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21233211094 and 21233211103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90779 + ... + 225182.

Almost surely, 2^21233211122 is an apocalyptic number.

21233211122 is a deficient number, since it is larger than the sum of its proper divisors (10617654250).

21233211122 is a wasteful number, since it uses less digits than its factorization.

21233211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349564.

The product of its digits is 288, while the sum is 20.

Adding to 21233211122 its reverse (22111233212), we get a palindrome (43344444334).

The spelling of 21233211122 in words is "twenty-one billion, two hundred thirty-three million, two hundred eleven thousand, one hundred twenty-two".