Search a number
-
+
2110120021211 = 3168068387781
BaseRepresentation
bin11110101101001100111…
…101000100110011011011
321110201120220002112111012
4132231030331010303123
5234033011211134321
64253213055124135
7305310512145416
oct36551475046333
97421526075435
102110120021211
11743995817684
122a0b56b1364b
13123ca2894a37
14741b7996b7d
1539d508d205b
hex1eb4cf44cdb

2110120021211 has 4 divisors (see below), whose sum is σ = 2178188409024. Its totient is φ = 2042051633400.

The previous prime is 2110120021157. The next prime is 2110120021301. The reversal of 2110120021211 is 1121200210112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2110120021211 - 214 = 2110120004827 is a prime.

It is a super-2 number, since 2×21101200212112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2110120021111) 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, 34034193860 + ... + 34034193921.

It is an arithmetic number, because the mean of its divisors is an integer number (544547102256).

Almost surely, 22110120021211 is an apocalyptic number.

2110120021211 is a deficient number, since it is larger than the sum of its proper divisors (68068387813).

2110120021211 is an equidigital number, since it uses as much as digits as its factorization.

2110120021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68068387812.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2110120021211 its reverse (1121200210112), we get a palindrome (3231320231323).

The spelling of 2110120021211 in words is "two trillion, one hundred ten billion, one hundred twenty million, twenty-one thousand, two hundred eleven".

Divisors: 1 31 68068387781 2110120021211