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112221212023 = 113245719231
BaseRepresentation
bin110100010000011100…
…1111100110101110111
3101201122220000020110001
41220200321330311313
53314312112241043
6123315334012131
711051642364154
oct1504071746567
9351586006401
10112221212023
1143657a48628
12198ba7a7047
13a77574754b
1456081c322b
152dbc10474d
hex1a20e7cd77

112221212023 has 12 divisors (see below), whose sum is σ = 113476762048. Its totient is φ = 110978945280.

The previous prime is 112221212017. The next prime is 112221212029. The reversal of 112221212023 is 320212122211.

It is an interprime number because it is at equal distance from previous prime (112221212017) and next prime (112221212029).

It is not a de Polignac number, because 112221212023 - 221 = 112219114871 is a prime.

It is a super-2 number, since 2×1122212120232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221212029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5825818 + ... + 5845048.

Almost surely, 2112221212023 is an apocalyptic number.

112221212023 is a deficient number, since it is larger than the sum of its proper divisors (1255550025).

112221212023 is an equidigital number, since it uses as much as digits as its factorization.

112221212023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19914 (or 19801 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 112221212023 its reverse (320212122211), we get a palindrome (432433334234).

The spelling of 112221212023 in words is "one hundred twelve billion, two hundred twenty-one million, two hundred twelve thousand, twenty-three".

Divisors: 1 113 457 12769 19231 51641 2173103 5835433 8788567 245560639 993108071 112221212023