Search a number
-
+
2112010121111 = 11892157313709
BaseRepresentation
bin11110101110111101100…
…111001110111110010111
321110220110121122120010012
4132232331213032332113
5234100344042333421
64254124414350435
7305405402552642
oct36567547167627
97426417576105
102112010121111
11744775720710
122a13a3abb41b
13124214340347
1474316a04a59
1539e117d695b
hex1ebbd9cef97

2112010121111 has 8 divisors (see below), whose sum is σ = 2329898806800. Its totient is φ = 1898436063040.

The previous prime is 2112010121101. The next prime is 2112010121131. The reversal of 2112010121111 is 1111210102112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-2112010121111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112010121101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1078655876 + ... + 1078657833.

It is an arithmetic number, because the mean of its divisors is an integer number (291237350850).

Almost surely, 22112010121111 is an apocalyptic number.

2112010121111 is a deficient number, since it is larger than the sum of its proper divisors (217888685689).

2112010121111 is a wasteful number, since it uses less digits than its factorization.

2112010121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157313809.

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

Adding to 2112010121111 its reverse (1111210102112), we get a palindrome (3223220223223).

The spelling of 2112010121111 in words is "two trillion, one hundred twelve billion, ten million, one hundred twenty-one thousand, one hundred eleven".

Divisors: 1 11 89 979 2157313709 23730450799 192000920101 2112010121111