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10112120201 = 28319357079
BaseRepresentation
bin10010110101011101…
…01011010110001001
3222002201201221010102
421122232223112021
5131202200321301
64351225455145
7505405414001
oct113256532611
928081657112
1010112120201
11431a034637
121b626414b5
13c51cb58a1
146bcdcb001
153e2b58b6b
hex25abab589

10112120201 has 4 divisors (see below), whose sum is σ = 10112505600. Its totient is φ = 10111734804.

The previous prime is 10112120197. The next prime is 10112120209. The reversal of 10112120201 is 10202121101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10202121101 = 49663205427.

It is a cyclic number.

It is not a de Polignac number, because 10112120201 - 22 = 10112120197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10112120209) 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, 150221 + ... + 206858.

It is an arithmetic number, because the mean of its divisors is an integer number (2528126400).

Almost surely, 210112120201 is an apocalyptic number.

It is an amenable number.

10112120201 is a deficient number, since it is larger than the sum of its proper divisors (385399).

10112120201 is an equidigital number, since it uses as much as digits as its factorization.

10112120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385398.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10112120201 its reverse (10202121101), we get a palindrome (20314241302).

It can be divided in two parts, 1011 and 2120201, that added together give a palindrome (2121212).

The spelling of 10112120201 in words is "ten billion, one hundred twelve million, one hundred twenty thousand, two hundred one".

Divisors: 1 28319 357079 10112120201