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112121200001 = 711798822189
BaseRepresentation
bin110100001101011110…
…0011011110110000001
3101201101220211002202002
41220122330123312001
53314111011400001
6123301402233345
711046316322006
oct1503274336601
9351356732662
10112121200001
1143606549068
12198911b5855
13a75aacb435
1455d8bcb8ad
152db344b46b
hex1a1af1bd81

112121200001 has 8 divisors (see below), whose sum is σ = 114335582400. Its totient is φ = 109924462480.

The previous prime is 112121199989. The next prime is 112121200003. The reversal of 112121200001 is 100002121211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112121200001 - 226 = 112054091137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112121200003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4398386 + ... + 4423803.

It is an arithmetic number, because the mean of its divisors is an integer number (14291947800).

Almost surely, 2112121200001 is an apocalyptic number.

It is an amenable number.

112121200001 is a deficient number, since it is larger than the sum of its proper divisors (2214382399).

112121200001 is an equidigital number, since it uses as much as digits as its factorization.

112121200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8822439.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 112121200001 its reverse (100002121211), we get a palindrome (212123321212).

The spelling of 112121200001 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred thousand, one".

Divisors: 1 71 179 12709 8822189 626375419 1579171831 112121200001