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20114122321 = 110821181501
BaseRepresentation
bin10010101110111001…
…010010011001010001
31220220210021021122101
4102232321102121101
5312143203403241
613123523240401
71311306135016
oct225671223121
956823237571
1020114122321
118591996897
123a94219101
131b87224437
14d8b51170d
157cacaee31
hex4aee52651

20114122321 has 4 divisors (see below), whose sum is σ = 20114414644. Its totient is φ = 20113830000.

The previous prime is 20114122291. The next prime is 20114122337. The reversal of 20114122321 is 12322141102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12322141102 = 26161070551.

It can be written as a sum of positive squares in 2 ways, for example, as 11569153600 + 8544968721 = 107560^2 + 92439^2 .

It is a cyclic number.

It is not a de Polignac number, because 20114122321 - 213 = 20114114129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20114122381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20071 + ... + 201571.

It is an arithmetic number, because the mean of its divisors is an integer number (5028603661).

Almost surely, 220114122321 is an apocalyptic number.

It is an amenable number.

20114122321 is a deficient number, since it is larger than the sum of its proper divisors (292323).

20114122321 is a wasteful number, since it uses less digits than its factorization.

20114122321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292322.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20114122321 its reverse (12322141102), we get a palindrome (32436263423).

The spelling of 20114122321 in words is "twenty billion, one hundred fourteen million, one hundred twenty-two thousand, three hundred twenty-one".

Divisors: 1 110821 181501 20114122321