21232200201 has 32 divisors (see below), whose sum is σ = 30273533568. Its totient is φ = 13189693440.

The previous prime is 21232200169. The next prime is 21232200217. The reversal of 21232200201 is 10200223212.

It is a happy number.

It is not a de Polignac number, because 21232200201 - 2⁵ = 21232200169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21232200251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7842090 + ... + 7844796.

It is an arithmetic number, because the mean of its divisors is an integer number (946047924).

Almost surely, 2^21232200201 is an apocalyptic number.

It is an amenable number.

21232200201 is a deficient number, since it is larger than the sum of its proper divisors (9041333367).

21232200201 is a wasteful number, since it uses less digits than its factorization.

21232200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 21232200201 its reverse (10200223212), we get a palindrome (31432423413).

The spelling of 21232200201 in words is "twenty-one billion, two hundred thirty-two million, two hundred thousand, two hundred one".