Search a number
-
+
2112020211211 = 61113543156417
BaseRepresentation
bin11110101110111110001…
…101101110011000001011
321110220111022122012010121
4132232332031232120023
5234100404133224321
64254125414524111
7305405554406101
oct36567615563013
97426438565117
102112020211211
11744780392539
122a13a7366637
13124216463c11
14743180adc71
1539e1262b441
hex1ebbe36e60b

2112020211211 has 16 divisors (see below), whose sum is σ = 2166077487168. Its totient is φ = 2058597273600.

The previous prime is 2112020211179. The next prime is 2112020211227. The reversal of 2112020211211 is 1121120202112.

It is a cyclic number.

It is not a de Polignac number, because 2112020211211 - 25 = 2112020211179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112020211911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37407675 + ... + 37464091.

It is an arithmetic number, because the mean of its divisors is an integer number (135379842948).

Almost surely, 22112020211211 is an apocalyptic number.

2112020211211 is a deficient number, since it is larger than the sum of its proper divisors (54057275957).

2112020211211 is a wasteful number, since it uses less digits than its factorization.

2112020211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62022.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2112020211211 its reverse (1121120202112), we get a palindrome (3233140413323).

Subtracting from 2112020211211 its reverse (1121120202112), we obtain a palindrome (990900009099).

It can be divided in two parts, 21120202112 and 11, that multiplied together give a palindrome (232322223232).

The spelling of 2112020211211 in words is "two trillion, one hundred twelve billion, twenty million, two hundred eleven thousand, two hundred eleven".

Divisors: 1 61 113 5431 6893 56417 331291 613703 3441437 6375121 37435883 306400727 388882381 18690444347 34623282151 2112020211211