212220200111 has 4 divisors (see below), whose sum is σ = 224703741312. Its totient is φ = 199736658912.

The previous prime is 212220200099. The next prime is 212220200141. The reversal of 212220200111 is 111002022212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212220200111 - 2¹⁴ = 212220183727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220200141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6241770575 + ... + 6241770608.

It is an arithmetic number, because the mean of its divisors is an integer number (56175935328).

Almost surely, 2^212220200111 is an apocalyptic number.

212220200111 is a deficient number, since it is larger than the sum of its proper divisors (12483541201).

212220200111 is a wasteful number, since it uses less digits than its factorization.

212220200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12483541200.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212220200111 its reverse (111002022212), we get a palindrome (323222222323).

The spelling of 212220200111 in words is "two hundred twelve billion, two hundred twenty million, two hundred thousand, one hundred eleven".