21132002211 has 8 divisors (see below), whose sum is σ = 28653562560. Its totient is φ = 13849221672.

The previous prime is 21132002207. The next prime is 21132002263. The reversal of 21132002211 is 11220023112.

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

It is not a de Polignac number, because 21132002211 - 2² = 21132002207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21132002911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59694745 + ... + 59695098.

It is an arithmetic number, because the mean of its divisors is an integer number (3581695320).

Almost surely, 2^21132002211 is an apocalyptic number.

21132002211 is a deficient number, since it is larger than the sum of its proper divisors (7521560349).

21132002211 is a wasteful number, since it uses less digits than its factorization.

21132002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119389905.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 21132002211 its reverse (11220023112), we get a palindrome (32352025323).

The spelling of 21132002211 in words is "twenty-one billion, one hundred thirty-two million, two thousand, two hundred eleven".