Search a number
-
+
1100222101 = 11100020191
BaseRepresentation
bin100000110010100…
…0000111010010101
32211200021001222201
41001211000322111
54223124101401
6301101324501
736156506416
oct10145007225
92750231881
101100222101
11515057170
12268566731
13146c2aac4
14a619980d
15668cbb01
hex41940e95

1100222101 has 4 divisors (see below), whose sum is σ = 1200242304. Its totient is φ = 1000201900.

The previous prime is 1100222093. The next prime is 1100222119. The reversal of 1100222101 is 1012220011.

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: 1012220011 = 1192020001.

It is a cyclic number.

It is not a de Polignac number, because 1100222101 - 23 = 1100222093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100222131) 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, 50010085 + ... + 50010106.

It is an arithmetic number, because the mean of its divisors is an integer number (300060576).

Almost surely, 21100222101 is an apocalyptic number.

1100222101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1100222101 is a deficient number, since it is larger than the sum of its proper divisors (100020203).

1100222101 is a wasteful number, since it uses less digits than its factorization.

1100222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100020202.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1100222101 is about 33169.5960331144. The cubic root of 1100222101 is about 1032.3495866736.

Adding to 1100222101 its reverse (1012220011), we get a palindrome (2112442112).

The spelling of 1100222101 in words is "one billion, one hundred million, two hundred twenty-two thousand, one hundred one".

Divisors: 1 11 100020191 1100222101