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2110122211211 = 7301446030173
BaseRepresentation
bin11110101101001101000…
…101011011011110001011
321110201121001012210121022
4132231031011123132023
5234033012241224321
64253213214103055
7305310536566310
oct36551505333613
97421531183538
102110122211211
11743996a82aa3
122a0b577aaa8b
13123ca31807b1
14741b7da6d07
1539d50bb5dab
hex1eb4d15b78b

2110122211211 has 4 divisors (see below), whose sum is σ = 2411568241392. Its totient is φ = 1808676181032.

The previous prime is 2110122211189. The next prime is 2110122211289. The reversal of 2110122211211 is 1121122210112.

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

It is a de Polignac number, because none of the positive numbers 2k-2110122211211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2110122211211.

It is not an unprimeable number, because it can be changed into a prime (2110122211511) 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, 150723015080 + ... + 150723015093.

It is an arithmetic number, because the mean of its divisors is an integer number (602892060348).

Almost surely, 22110122211211 is an apocalyptic number.

2110122211211 is a deficient number, since it is larger than the sum of its proper divisors (301446030181).

2110122211211 is an equidigital number, since it uses as much as digits as its factorization.

2110122211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301446030180.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2110122211211 its reverse (1121122210112), we get a palindrome (3231244421323).

The spelling of 2110122211211 in words is "two trillion, one hundred ten billion, one hundred twenty-two million, two hundred eleven thousand, two hundred eleven".

Divisors: 1 7 301446030173 2110122211211