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11220223201 = 111020020291
BaseRepresentation
bin10100111001100011…
…10000010011100001
31001221221211101200021
422130301300103201
5140434334120301
65053212153441
7545022215665
oct123461602341
931857741607
1011220223201
114838583840
122211768881
13109a742835
147862388a5
1545a0908a1
hex29cc704e1

11220223201 has 4 divisors (see below), whose sum is σ = 12240243504. Its totient is φ = 10200202900.

The previous prime is 11220223199. The next prime is 11220223213. The reversal of 11220223201 is 10232202211.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 11220223201 - 21 = 11220223199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220223241) 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, 510010135 + ... + 510010156.

It is an arithmetic number, because the mean of its divisors is an integer number (3060060876).

Almost surely, 211220223201 is an apocalyptic number.

11220223201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11220223201 is a deficient number, since it is larger than the sum of its proper divisors (1020020303).

11220223201 is a wasteful number, since it uses less digits than its factorization.

11220223201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020020302.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11220223201 its reverse (10232202211), we get a palindrome (21452425412).

The spelling of 11220223201 in words is "eleven billion, two hundred twenty million, two hundred twenty-three thousand, two hundred one".

Divisors: 1 11 1020020291 11220223201