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12200221112111 = 181383701251057
BaseRepresentation
bin1011000110001001010111…
…0110000111011100101111
31121012022220101102110002022
42301202111312013130233
53044342023101041421
641540412035220355
72366302565254154
oct261422566073457
947168811373068
1012200221112111
1139840a283888a
1214505994476bb
136a6625778716
143026cb1ba22b
151625509be7ab
hexb1895d8772f

12200221112111 has 16 divisors (see below), whose sum is σ = 12317250935808. Its totient is φ = 12083827392000.

The previous prime is 12200221112017. The next prime is 12200221112113. The reversal of 12200221112111 is 11121112200221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12200221112111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12200221112111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200221112113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48469895 + ... + 48720951.

It is an arithmetic number, because the mean of its divisors is an integer number (769828183488).

Almost surely, 212200221112111 is an apocalyptic number.

12200221112111 is a deficient number, since it is larger than the sum of its proper divisors (117029823697).

12200221112111 is a wasteful number, since it uses less digits than its factorization.

12200221112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252322.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12200221112111 its reverse (11121112200221), we get a palindrome (23321333312332).

The spelling of 12200221112111 in words is "twelve trillion, two hundred billion, two hundred twenty-one million, one hundred twelve thousand, one hundred eleven".

Divisors: 1 181 383 701 69323 126881 251057 268483 45441317 48595423 96154831 175990957 17404024411 31854363217 67404536531 12200221112111