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112112020121201 = 255165143937051
BaseRepresentation
bin11001011111011100011101…
…001000100110011001110001
3112200221210201110000101202222
4121133130131020212121301
5104143320404122334301
61034235315004450425
732420553241402352
oct3137343510463161
9480853643011688
10112112020121201
11327a4493671041
12106a8088849a15
134a7316c7033c9
141d98371dc9d29
15ce6456d2231b
hex65f71d226671

112112020121201 has 4 divisors (see below), whose sum is σ = 112112066609904. Its totient is φ = 112111973632500.

The previous prime is 112112020121173. The next prime is 112112020121209. The reversal of 112112020121201 is 102121020211211.

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 112112020121201 - 26 = 112112020121137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112112020121201.

It is not an unprimeable number, because it can be changed into a prime (112112020121209) 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, 19416875 + ... + 24520176.

It is an arithmetic number, because the mean of its divisors is an integer number (28028016652476).

Almost surely, 2112112020121201 is an apocalyptic number.

It is an amenable number.

112112020121201 is a deficient number, since it is larger than the sum of its proper divisors (46488703).

112112020121201 is an equidigital number, since it uses as much as digits as its factorization.

112112020121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46488702.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112112020121201 its reverse (102121020211211), we get a palindrome (214233040332412).

The spelling of 112112020121201 in words is "one hundred twelve trillion, one hundred twelve billion, twenty million, one hundred twenty-one thousand, two hundred one".

Divisors: 1 2551651 43937051 112112020121201