212201022111 has 8 divisors (see below), whose sum is σ = 304698903600. Its totient is φ = 130585244352.

The previous prime is 212201022053. The next prime is 212201022133. The reversal of 212201022111 is 111220102212.

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

It is not a de Polignac number, because 212201022111 - 2¹⁴ = 212201005727 is a prime.

It is a super-2 number, since 2×212201022111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201022191) 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, 2720525886 + ... + 2720525963.

It is an arithmetic number, because the mean of its divisors is an integer number (38087362950).

Almost surely, 2^212201022111 is an apocalyptic number.

212201022111 is a deficient number, since it is larger than the sum of its proper divisors (92497881489).

212201022111 is a wasteful number, since it uses less digits than its factorization.

212201022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5441051865.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212201022111 its reverse (111220102212), we get a palindrome (323421124323).

It can be divided in two parts, 21220102211 and 1, that added together give a palindrome (21220102212).

The spelling of 212201022111 in words is "two hundred twelve billion, two hundred one million, twenty-two thousand, one hundred eleven".