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112220021201 = 698291607069
BaseRepresentation
bin110100010000011010…
…1011010000111010001
3101201122210202201221112
41220200311122013101
53314311311134301
6123315252303105
711051626304321
oct1504065320721
9351583681845
10112220021201
1143657304982
12198ba311a95
13a77541b512
145607d93281
152dbbe6b9bb
hex1a20d5a1d1

112220021201 has 4 divisors (see below), whose sum is σ = 112221698100. Its totient is φ = 112218344304.

The previous prime is 112220021107. The next prime is 112220021213. The reversal of 112220021201 is 102120022211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25327131025 + 86892890176 = 159145^2 + 294776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112220021201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112220021261) 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, 733706 + ... + 873363.

It is an arithmetic number, because the mean of its divisors is an integer number (28055424525).

Almost surely, 2112220021201 is an apocalyptic number.

It is an amenable number.

112220021201 is a deficient number, since it is larger than the sum of its proper divisors (1676899).

112220021201 is an equidigital number, since it uses as much as digits as its factorization.

112220021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676898.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112220021201 its reverse (102120022211), we get a palindrome (214340043412).

The spelling of 112220021201 in words is "one hundred twelve billion, two hundred twenty million, twenty-one thousand, two hundred one".

Divisors: 1 69829 1607069 112220021201