212221133311 has 8 divisors (see below), whose sum is σ = 232036573824. Its totient is φ = 192492794520.

The previous prime is 212221133303. The next prime is 212221133317. The reversal of 212221133311 is 113331122212.

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 212221133311 - 2³ = 212221133303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212221133317) 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, 21770331 + ... + 21780076.

It is an arithmetic number, because the mean of its divisors is an integer number (29004571728).

Almost surely, 2^212221133311 is an apocalyptic number.

212221133311 is a deficient number, since it is larger than the sum of its proper divisors (19815440513).

212221133311 is a wasteful number, since it uses less digits than its factorization.

212221133311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43550861.

The product of its digits is 432, while the sum is 22.

Adding to 212221133311 its reverse (113331122212), we get a palindrome (325552255523).

The spelling of 212221133311 in words is "two hundred twelve billion, two hundred twenty-one million, one hundred thirty-three thousand, three hundred eleven".