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112201112100001 = 891260686652809
BaseRepresentation
bin11001100000101111011011…
…011011100001110010100001
3112201021022200102021211222111
4121200233123123201302201
5104201300334144200001
61034344251311035321
732430156103621651
oct3140573333416241
9481238612254874
10112201112100001
1132829251781391
12107013b150bb41
134a7b69a381022
141d9c7c4480361
15ce891d5da851
hex660bdb6e1ca1

112201112100001 has 4 divisors (see below), whose sum is σ = 113461798752900. Its totient is φ = 110940425447104.

The previous prime is 112201112099981. The next prime is 112201112100019. The reversal of 112201112100001 is 100001211102211.

It is a happy number.

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 18355877709376 + 93845234390625 = 4284376^2 + 9687375^2 .

It is a cyclic number.

It is not a de Polignac number, because 112201112100001 - 219 = 112201111575713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112201112109001) 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, 630343326316 + ... + 630343326493.

It is an arithmetic number, because the mean of its divisors is an integer number (28365449688225).

Almost surely, 2112201112100001 is an apocalyptic number.

It is an amenable number.

112201112100001 is a deficient number, since it is larger than the sum of its proper divisors (1260686652899).

112201112100001 is an equidigital number, since it uses as much as digits as its factorization.

112201112100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260686652898.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112201112100001 its reverse (100001211102211), we get a palindrome (212202323202212).

The spelling of 112201112100001 in words is "one hundred twelve trillion, two hundred one billion, one hundred twelve million, one hundred thousand, one".

Divisors: 1 89 1260686652809 112201112100001