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112212111001 = 195905900579
BaseRepresentation
bin110100010000001011…
…1001110111010011001
3101201122020212212012011
41220200113032322121
53314302300023001
6123314410545521
711051502130444
oct1504027167231
9351566785164
10112212111001
11436528a1921
12198b77382a1
13a7738abc23
145606cd465b
152dbb407d51
hex1a205cee99

112212111001 has 4 divisors (see below), whose sum is σ = 118118011600. Its totient is φ = 106306210404.

The previous prime is 112212110939. The next prime is 112212111041. The reversal of 112212111001 is 100111212211.

Adding to 112212111001 its reverse (100111212211), we get a palindrome (212323323212).

It is a happy number.

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 112212111001 - 29 = 112212110489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112212111041) 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, 2952950271 + ... + 2952950308.

It is an arithmetic number, because the mean of its divisors is an integer number (29529502900).

Almost surely, 2112212111001 is an apocalyptic number.

It is an amenable number.

112212111001 is a deficient number, since it is larger than the sum of its proper divisors (5905900599).

112212111001 is an equidigital number, since it uses as much as digits as its factorization.

112212111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5905900598.

The product of its (nonzero) digits is 8, while the sum is 13.

The spelling of 112212111001 in words is "one hundred twelve billion, two hundred twelve million, one hundred eleven thousand, one".

Divisors: 1 19 5905900579 112212111001