Search a number
-
+
2211022221211 = 29631125995971
BaseRepresentation
bin100000001011001011001…
…100011010111110011011
321211101000221101101110201
4200023023030122332123
5242211133142034321
64411421331323031
7315512122534546
oct40131314327633
97741027341421
102211022221211
11782764447a11
122b8616a50477
1313066328b31b
147902a78785d
153c7a8e30291
hex202cb31af9b

2211022221211 has 16 divisors (see below), whose sum is σ = 2292732691200. Its totient is φ = 2129681786400.

The previous prime is 2211022221157. The next prime is 2211022221227. The reversal of 2211022221211 is 1121222201122.

2211022221211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2211022221211 is a prime.

It is a super-4 number, since 4×22110222212114 (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211022221241) 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, 22990456 + ... + 23086426.

It is an arithmetic number, because the mean of its divisors is an integer number (143295793200).

Almost surely, 22211022221211 is an apocalyptic number.

2211022221211 is a deficient number, since it is larger than the sum of its proper divisors (81710469989).

2211022221211 is a wasteful number, since it uses less digits than its factorization.

2211022221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97890.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2211022221211 its reverse (1121222201122), we get a palindrome (3332244422333).

The spelling of 2211022221211 in words is "two trillion, two hundred eleven billion, twenty-two million, two hundred twenty-one thousand, two hundred eleven".

Divisors: 1 29 631 1259 18299 36511 95971 794429 2783159 23038441 60557701 120827489 1756173329 3503997181 76242145559 2211022221211