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112221202201 = 779831439047
BaseRepresentation
bin110100010000011100…
…1111010011100011001
3101201122212222201222021
41220200321322130121
53314312111432301
6123315333454441
711051642323423
oct1504071723431
9351585881867
10112221202201
1143657a41209
12198ba7a1421
13a775742c34
1456081bd813
152dbc1018a1
hex1a20e7a719

112221202201 has 4 divisors (see below), whose sum is σ = 112222719232. Its totient is φ = 112219685172.

The previous prime is 112221202199. The next prime is 112221202237. The reversal of 112221202201 is 102202122211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102202122211 = 714600303173.

It is a cyclic number.

It is not a de Polignac number, because 112221202201 - 21 = 112221202199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112221202271) 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, 641541 + ... + 797506.

It is an arithmetic number, because the mean of its divisors is an integer number (28055679808).

Almost surely, 2112221202201 is an apocalyptic number.

It is an amenable number.

112221202201 is a deficient number, since it is larger than the sum of its proper divisors (1517031).

112221202201 is an equidigital number, since it uses as much as digits as its factorization.

112221202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517030.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 112221202201 its reverse (102202122211), we get a palindrome (214423324412).

The spelling of 112221202201 in words is "one hundred twelve billion, two hundred twenty-one million, two hundred two thousand, two hundred one".

Divisors: 1 77983 1439047 112221202201