212220221110111 has 8 divisors (see below), whose sum is σ = 212731506512000. Its totient is φ = 211708969829280.

The previous prime is 212220221110109. The next prime is 212220221110141. The reversal of 212220221110111 is 111011122022212.

It is a happy number.

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 212220221110111 - 2¹ = 212220221110109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220221110141) 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, 3945925 + ... + 20976433.

It is an arithmetic number, because the mean of its divisors is an integer number (26591438314000).

Almost surely, 2^{212220221110111} is an apocalyptic number.

212220221110111 is a deficient number, since it is larger than the sum of its proper divisors (511285401889).

212220221110111 is a wasteful number, since it uses less digits than its factorization.

212220221110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17060529.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212220221110111 its reverse (111011122022212), we get a palindrome (323231343132323).

The spelling of 212220221110111 in words is "two hundred twelve trillion, two hundred twenty billion, two hundred twenty-one million, one hundred ten thousand, one hundred eleven".