21332212201 has 8 divisors (see below), whose sum is σ = 22326957504. Its totient is φ = 20343071760.

The previous prime is 21332212193. The next prime is 21332212243. The reversal of 21332212201 is 10221223312.

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

It is a cyclic number.

It is not a de Polignac number, because 21332212201 - 2³ = 21332212193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21332212501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1393426 + ... + 1408651.

It is an arithmetic number, because the mean of its divisors is an integer number (2790869688).

Almost surely, 2^21332212201 is an apocalyptic number.

It is an amenable number.

21332212201 is a deficient number, since it is larger than the sum of its proper divisors (994745303).

21332212201 is a wasteful number, since it uses less digits than its factorization.

21332212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802431.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21332212201 its reverse (10221223312), we get a palindrome (31553435513).

The spelling of 21332212201 in words is "twenty-one billion, three hundred thirty-two million, two hundred twelve thousand, two hundred one".