Search a number
-
+
11102211001 = 71586030143
BaseRepresentation
bin10100101011011111…
…00100101110111001
31001122201202202101001
422111233210232321
5140214131223001
65033354525001
7542060144050
oct122557445671
931581682331
1011102211001
1147879aa4a2
12219a136761
13107c16362b
147746b9397
1544ea2e001
hex295be4bb9

11102211001 has 4 divisors (see below), whose sum is σ = 12688241152. Its totient is φ = 9516180852.

The previous prime is 11102210983. The next prime is 11102211007. The reversal of 11102211001 is 10011220111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10011220111 = 20903478937.

It is a cyclic number.

It is not a de Polignac number, because 11102211001 - 29 = 11102210489 is a prime.

It is a super-2 number, since 2×111022110012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11102211007) 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, 793015065 + ... + 793015078.

It is an arithmetic number, because the mean of its divisors is an integer number (3172060288).

Almost surely, 211102211001 is an apocalyptic number.

It is an amenable number.

11102211001 is a deficient number, since it is larger than the sum of its proper divisors (1586030151).

11102211001 is an equidigital number, since it uses as much as digits as its factorization.

11102211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586030150.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11102211001 its reverse (10011220111), we get a palindrome (21113431112).

The spelling of 11102211001 in words is "eleven billion, one hundred two million, two hundred eleven thousand, one".

Divisors: 1 7 1586030143 11102211001