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20000112111001 = 111818192010091
BaseRepresentation
bin1001000110000101000111…
…00100111110110110011001
32121210222210012102100001001
410203002203210332312121
510110140212200023001
6110311531421025001
74132650264655051
oct443024344766631
977728705370031
1020000112111001
116410aaa980760
1222b01a50b5161
13b210055a7bc9
144d20210c2561
1524a3aeb2e001
hex1230a393ed99

20000112111001 has 4 divisors (see below), whose sum is σ = 21818304121104. Its totient is φ = 18181920100900.

The previous prime is 20000112110987. The next prime is 20000112111037. The reversal of 20000112111001 is 10011121100002.

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 20000112111001 - 25 = 20000112110969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000112171001) 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, 909096005035 + ... + 909096005056.

It is an arithmetic number, because the mean of its divisors is an integer number (5454576030276).

Almost surely, 220000112111001 is an apocalyptic number.

It is an amenable number.

20000112111001 is a deficient number, since it is larger than the sum of its proper divisors (1818192010103).

20000112111001 is a wasteful number, since it uses less digits than its factorization.

20000112111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818192010102.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20000112111001 its reverse (10011121100002), we get a palindrome (30011233211003).

The spelling of 20000112111001 in words is "twenty trillion, one hundred twelve million, one hundred eleven thousand, one".

Divisors: 1 11 1818192010091 20000112111001