21233001213322 has 4 divisors (see below), whose sum is σ = 31849501819986. Its totient is φ = 10616500606660.

The previous prime is 21233001213311. The next prime is 21233001213329. The reversal of 21233001213322 is 22331210033212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12428790651601 + 8804210561721 = 3525449^2 + 2967189^2 .

It is not an unprimeable number, because it can be changed into a prime (21233001213329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5308250303329 + ... + 5308250303332.

Almost surely, 2^{21233001213322} is an apocalyptic number.

21233001213322 is a deficient number, since it is larger than the sum of its proper divisors (10616500606664).

21233001213322 is a wasteful number, since it uses less digits than its factorization.

21233001213322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10616500606663.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21233001213322 its reverse (22331210033212), we get a palindrome (43564211246534).

The spelling of 21233001213322 in words is "twenty-one trillion, two hundred thirty-three billion, one million, two hundred thirteen thousand, three hundred twenty-two".