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112001101011221 = 666936716793363
BaseRepresentation
bin11001011101110101001001…
…110101110001100100010101
3112200120012102022010210112112
4121131311021311301210111
5104140011223324324341
61034112332343200405
732406545456462102
oct3135651165614425
9480505368123475
10112001101011221
1132761444727004
121068a692146105
134a6587397b856
141d92c4cb13aa9
15ce36141c5aeb
hex65dd49d71915

112001101011221 has 4 divisors (see below), whose sum is σ = 112001124473952. Its totient is φ = 112001077548492.

The previous prime is 112001101011179. The next prime is 112001101011223. The reversal of 112001101011221 is 122110101100211.

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 112001101011221 - 226 = 112001033902357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112001101011196 and 112001101011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001101011223) 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, 1727315 + ... + 15066048.

It is an arithmetic number, because the mean of its divisors is an integer number (28000281118488).

Almost surely, 2112001101011221 is an apocalyptic number.

It is an amenable number.

112001101011221 is a deficient number, since it is larger than the sum of its proper divisors (23462731).

112001101011221 is an equidigital number, since it uses as much as digits as its factorization.

112001101011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23462730.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 112001101011221 its reverse (122110101100211), we get a palindrome (234111202111432).

The spelling of 112001101011221 in words is "one hundred twelve trillion, one billion, one hundred one million, eleven thousand, two hundred twenty-one".

Divisors: 1 6669367 16793363 112001101011221