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112220120111 = 11231275776053
BaseRepresentation
bin110100010000011010…
…1110010010000101111
3101201122210221202121212
41220200311302100233
53314311322320421
6123315254345035
711051630165561
oct1504065622057
9351583852555
10112220120111
1143657372220
12198ba35b17b
13a775454548
145607dbb331
152dbbe8ae5b
hex1a20d7242f

112220120111 has 32 divisors (see below), whose sum is σ = 128994951168. Its totient is φ = 96630589440.

The previous prime is 112220120099. The next prime is 112220120113. The reversal of 112220120111 is 111021022211.

It is a de Polignac number, because none of the positive numbers 2k-112220120111 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 (112220120113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18536561 + ... + 18542613.

It is an arithmetic number, because the mean of its divisors is an integer number (4031092224).

Almost surely, 2112220120111 is an apocalyptic number.

112220120111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112220120111 is a deficient number, since it is larger than the sum of its proper divisors (16774831057).

112220120111 is a wasteful number, since it uses less digits than its factorization.

112220120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6791.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112220120111 its reverse (111021022211), we get a palindrome (223241142322).

The spelling of 112220120111 in words is "one hundred twelve billion, two hundred twenty million, one hundred twenty thousand, one hundred eleven".

Divisors: 1 11 23 127 253 577 1397 2921 6053 6347 13271 32131 66583 73279 139219 145981 768731 806069 1531409 1685417 3492581 8456041 17680813 18539587 38418391 80329363 194488943 443557787 883622993 4879135657 10201829101 112220120111