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12210110111 = 223307917783
BaseRepresentation
bin10110101111100011…
…10111111010011111
31011111221110212020102
423113301313322133
5200001242010421
65335333011315
7611402136443
oct132761677237
934457425212
1012210110111
1151a631a4a1
122449183b3b
1311c784b834
1483b8b2823
154b6e2560b
hex2d7c77e9f

12210110111 has 8 divisors (see below), whose sum is σ = 12269537280. Its totient is φ = 12150725112.

The previous prime is 12210110093. The next prime is 12210110137. The reversal of 12210110111 is 11101101221.

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 12210110111 - 26 = 12210110047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12210110092 and 12210110101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210110911) 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, 677726 + ... + 695508.

It is an arithmetic number, because the mean of its divisors is an integer number (1533692160).

Almost surely, 212210110111 is an apocalyptic number.

12210110111 is a deficient number, since it is larger than the sum of its proper divisors (59427169).

12210110111 is a wasteful number, since it uses less digits than its factorization.

12210110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21085.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12210110111 its reverse (11101101221), we get a palindrome (23311211332).

The spelling of 12210110111 in words is "twelve billion, two hundred ten million, one hundred ten thousand, one hundred eleven".

Divisors: 1 223 3079 17783 686617 3965609 54753857 12210110111