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112221101012101 = 195906373737479
BaseRepresentation
bin11001100001000010000010…
…110111001011010010000101
3112201100020021110221210111021
4121201002002313023102011
5104202112303324341401
61034401355002511141
732431464332565424
oct3141020267132205
9481306243853437
10112221101012101
1132836779a17954
121070524b8054b1
134a80534675b73
141d9d75d0bb2bb
15ce91dd3b62a1
hex661082dcb485

112221101012101 has 4 divisors (see below), whose sum is σ = 118127474749600. Its totient is φ = 106314727274604.

The previous prime is 112221101011991. The next prime is 112221101012113. The reversal of 112221101012101 is 101210101122211.

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 112221101012101 - 29 = 112221101011589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221101042101) 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 3 ways as a sum of consecutive naturals, for example, 2953186868721 + ... + 2953186868758.

It is an arithmetic number, because the mean of its divisors is an integer number (29531868687400).

Almost surely, 2112221101012101 is an apocalyptic number.

It is an amenable number.

112221101012101 is a deficient number, since it is larger than the sum of its proper divisors (5906373737499).

112221101012101 is an equidigital number, since it uses as much as digits as its factorization.

112221101012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5906373737498.

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

Adding to 112221101012101 its reverse (101210101122211), we get a palindrome (213431202134312).

The spelling of 112221101012101 in words is "one hundred twelve trillion, two hundred twenty-one billion, one hundred one million, twelve thousand, one hundred one".

Divisors: 1 19 5906373737479 112221101012101