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212112222022111 = 3209198913323069
BaseRepresentation
bin110000001110101000111001…
…101001010110100111011111
31000211000201201110020120001011
4300032220321221112213133
5210300221312314201421
62031043002023000051
762451413411640205
oct6016507151264737
91024021643216034
10212112222022111
1161649319639374
121b958929b99027
13914813461a938
143a54401957075
15197c7d41c44e1
hexc0ea39a569df

212112222022111 has 8 divisors (see below), whose sum is σ = 212189052092400. Its totient is φ = 212035398644160.

The previous prime is 212112222022109. The next prime is 212112222022157. The reversal of 212112222022111 is 111220222211212.

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 212112222022111 - 21 = 212112222022109 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 (212112222022171) 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, 62168685 + ... + 65491753.

It is an arithmetic number, because the mean of its divisors is an integer number (26523631511550).

Almost surely, 2212112222022111 is an apocalyptic number.

212112222022111 is a deficient number, since it is larger than the sum of its proper divisors (76830070289).

212112222022111 is a wasteful number, since it uses less digits than its factorization.

212112222022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346169.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 212112222022111 its reverse (111220222211212), we get a palindrome (323332444233323).

The spelling of 212112222022111 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred twenty-two million, twenty-two thousand, one hundred eleven".

Divisors: 1 3209 19891 3323069 63830219 10663728421 66099165479 212112222022111