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1112220112231 is a prime number
BaseRepresentation
bin10000001011110101011…
…111000001010101100111
310221022211112100210022001
4100023311133001111213
5121210311322042411
62210540304550131
7143232564652624
oct20136537012547
93838745323261
101112220112231
113997652921a8
1215b680322347
1380b60719607
143bb9042134b
151dde86eedc1
hex102f57c1567

1112220112231 has 2 divisors, whose sum is σ = 1112220112232. Its totient is φ = 1112220112230.

The previous prime is 1112220112193. The next prime is 1112220112253. The reversal of 1112220112231 is 1322110222111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1112220112231 - 237 = 974781158759 is a prime.

It is a super-2 number, since 2×11122201122312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1112220112199 and 1112220112208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112220112631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556110056115 + 556110056116.

It is an arithmetic number, because the mean of its divisors is an integer number (556110056116).

Almost surely, 21112220112231 is an apocalyptic number.

1112220112231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112220112231 is an equidigital number, since it uses as much as digits as its factorization.

1112220112231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1112220112231 its reverse (1322110222111), we get a palindrome (2434330334342).

The spelling of 1112220112231 in words is "one trillion, one hundred twelve billion, two hundred twenty million, one hundred twelve thousand, two hundred thirty-one".