21222231200211 has 8 divisors (see below), whose sum is σ = 29526582539520. Its totient is φ = 13533016997192.

The previous prime is 21222231200153. The next prime is 21222231200263. The reversal of 21222231200211 is 11200213222212.

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 21222231200211 - 2⁹ = 21222231199699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21222231200011) 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, 153784283991 + ... + 153784284128.

It is an arithmetic number, because the mean of its divisors is an integer number (3690822817440).

Almost surely, 2^{21222231200211} is an apocalyptic number.

21222231200211 is a deficient number, since it is larger than the sum of its proper divisors (8304351339309).

21222231200211 is a wasteful number, since it uses less digits than its factorization.

21222231200211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307568568145.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21222231200211 its reverse (11200213222212), we get a palindrome (32422444422423).

The spelling of 21222231200211 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred thirty-one million, two hundred thousand, two hundred eleven".