21201133233332 has 48 divisors (see below), whose sum is σ = 40021242602880. Its totient is φ = 9769162370688.

The previous prime is 21201133233323. The next prime is 21201133233349. The reversal of 21201133233332 is 23333233110212.

It is a junction number, because it is equal to n+sod(n) for n = 21201133233295 and 21201133233304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171853823 + ... + 171977145.

It is an arithmetic number, because the mean of its divisors is an integer number (833775887560).

Almost surely, 2^{21201133233332} is an apocalyptic number.

It is an amenable number.

21201133233332 is a deficient number, since it is larger than the sum of its proper divisors (18820109369548).

21201133233332 is a wasteful number, since it uses less digits than its factorization.

21201133233332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128712 (or 128710 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 21201133233332 its reverse (23333233110212), we get a palindrome (44534366343544).

The spelling of 21201133233332 in words is "twenty-one trillion, two hundred one billion, one hundred thirty-three million, two hundred thirty-three thousand, three hundred thirty-two".