Search a number
-
+
112202120100221 = 751149403621971
BaseRepresentation
bin11001100000110000010111…
…100000101111100101111101
3112201021102021200000120022222
4121200300113200233211331
5104201304420221201341
61034344535320015125
732430223063523054
oct3140602740574575
9481242250016288
10112202120100221
1132829719769918
12107016330014a5
134a7b7cb15c768
141d9c87c2b139b
15ce897bd4c44b
hex660c1782f97d

112202120100221 has 4 divisors (see below), whose sum is σ = 112351523722944. Its totient is φ = 112052716477500.

The previous prime is 112202120100199. The next prime is 112202120100233. The reversal of 112202120100221 is 122001021202211.

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 112202120100221 - 222 = 112202115905917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 112202120100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112202120105221) 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, 74701810235 + ... + 74701811736.

It is an arithmetic number, because the mean of its divisors is an integer number (28087880930736).

Almost surely, 2112202120100221 is an apocalyptic number.

It is an amenable number.

112202120100221 is a deficient number, since it is larger than the sum of its proper divisors (149403622723).

112202120100221 is an equidigital number, since it uses as much as digits as its factorization.

112202120100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149403622722.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112202120100221 its reverse (122001021202211), we get a palindrome (234203141302432).

The spelling of 112202120100221 in words is "one hundred twelve trillion, two hundred two billion, one hundred twenty million, one hundred thousand, two hundred twenty-one".

Divisors: 1 751 149403621971 112202120100221