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111112001201 = 193157541171
BaseRepresentation
bin110011101111011001…
…0101001011010110001
3101121210120211111020202
41213132302221122301
53310024133014301
6123013311444545
711012313266315
oct1473662513261
9347716744222
10111112001201
1143138912073
121964b226755
13a6299c0296
145540b67b45
152d54a4e66b
hex19deca96b1

111112001201 has 4 divisors (see below), whose sum is σ = 111169544304. Its totient is φ = 111054458100.

The previous prime is 111112001191. The next prime is 111112001233. The reversal of 111112001201 is 102100211111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111112001201 - 214 = 111111984817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111112001101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28768655 + ... + 28772516.

It is an arithmetic number, because the mean of its divisors is an integer number (27792386076).

Almost surely, 2111112001201 is an apocalyptic number.

It is an amenable number.

111112001201 is a deficient number, since it is larger than the sum of its proper divisors (57543103).

111112001201 is an equidigital number, since it uses as much as digits as its factorization.

111112001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57543102.

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

Adding to 111112001201 its reverse (102100211111), we get a palindrome (213212212312).

The spelling of 111112001201 in words is "one hundred eleven billion, one hundred twelve million, one thousand, two hundred one".

Divisors: 1 1931 57541171 111112001201