Search a number
-
+
11110221211211 = 18165651934981
BaseRepresentation
bin1010000110101100110011…
…0010011110011001001011
31110100010102102022100102022
42201223030302132121023
52424012213112224321
635343544250355055
72224454432053403
oct241531462363113
943303372270368
1011110221211211
1135a390025a301
1212b529a72ba8b
136278c66c3a65
142a5a47c9d803
15144007deadab
hexa1accc9e64b

11110221211211 has 8 divisors (see below), whose sum is σ = 11171785764048. Its totient is φ = 11048658660000.

The previous prime is 11110221211183. The next prime is 11110221211241. The reversal of 11110221211211 is 11211212201111.

11110221211211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11110221211211 - 218 = 11110220949067 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 11110221211211.

It is not an unprimeable number, because it can be changed into a prime (11110221211241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11415341 + ... + 12350321.

It is an arithmetic number, because the mean of its divisors is an integer number (1396473220506).

Almost surely, 211110221211211 is an apocalyptic number.

11110221211211 is a deficient number, since it is larger than the sum of its proper divisors (61564552837).

11110221211211 is an equidigital number, since it uses as much as digits as its factorization.

11110221211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000813.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11110221211211 its reverse (11211212201111), we get a palindrome (22321433412322).

The spelling of 11110221211211 in words is "eleven trillion, one hundred ten billion, two hundred twenty-one million, two hundred eleven thousand, two hundred eleven".

Divisors: 1 181 65651 934981 11882831 169231561 61382437631 11110221211211