Search a number
-
+
11021109011 = 111979667501
BaseRepresentation
bin10100100001110100…
…01100011100010011
31001110002011100100122
422100322030130103
5140032400442021
65021340340455
7540053611103
oct122072143423
931402140318
1011021109011
114746146360
122176b4472b
1310684087a3
14767a07203
1544785dbab
hex290e8c713

11021109011 has 16 divisors (see below), whose sum is σ = 12816038400. Its totient is φ = 9371700000.

The previous prime is 11021108983. The next prime is 11021109031. The reversal of 11021109011 is 11090112011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11021109011 - 210 = 11021107987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11021109031) 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, 317240 + ... + 350261.

It is an arithmetic number, because the mean of its divisors is an integer number (801002400).

Almost surely, 211021109011 is an apocalyptic number.

11021109011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11021109011 is a deficient number, since it is larger than the sum of its proper divisors (1794929389).

11021109011 is a wasteful number, since it uses less digits than its factorization.

11021109011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667610.

The product of its (nonzero) digits is 18, while the sum is 17.

The spelling of 11021109011 in words is "eleven billion, twenty-one million, one hundred nine thousand, eleven".

Divisors: 1 11 19 79 209 869 1501 16511 667501 7342511 12682519 52732579 139507709 580058369 1001919001 11021109011