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11123220232001 = 31358813555871
BaseRepresentation
bin1010000111011101001110…
…0101110011011101000001
31110101100222100021000122202
42201313103211303131001
52424220323334411001
635353534204442545
72225424523652243
oct241672345633501
943340870230582
1011123220232001
1135a9370925a99
1212b7907b49455
13628bb8811b37
142a651c452093
1514451920796b
hexa1dd3973741

11123220232001 has 4 divisors (see below), whose sum is σ = 11482033787904. Its totient is φ = 10764406676100.

The previous prime is 11123220231983. The next prime is 11123220232027. The reversal of 11123220232001 is 10023202232111.

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 11123220232001 - 210 = 11123220230977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123220232051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179406777905 + ... + 179406777966.

It is an arithmetic number, because the mean of its divisors is an integer number (2870508446976).

Almost surely, 211123220232001 is an apocalyptic number.

It is an amenable number.

11123220232001 is a deficient number, since it is larger than the sum of its proper divisors (358813555903).

11123220232001 is an equidigital number, since it uses as much as digits as its factorization.

11123220232001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358813555902.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11123220232001 its reverse (10023202232111), we get a palindrome (21146422464112).

The spelling of 11123220232001 in words is "eleven trillion, one hundred twenty-three billion, two hundred twenty million, two hundred thirty-two thousand, one".

Divisors: 1 31 358813555871 11123220232001