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112102102001 = 123790624173
BaseRepresentation
bin110100001100111001…
…1100101001111110001
3101201100120212211012202
41220121303211033301
53314041114231001
6123255441032545
711045665100501
oct1503163451761
9351316784182
10112102102001
11435a679449a
1219886925755
13a756b72746
1455d6459a01
152db192796b
hex1a19ce53f1

112102102001 has 4 divisors (see below), whose sum is σ = 112192727412. Its totient is φ = 112011476592.

The previous prime is 112102101953. The next prime is 112102102037. The reversal of 112102102001 is 100201201211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91475397601 + 20626704400 = 302449^2 + 143620^2 .

It is a cyclic number.

It is not a de Polignac number, because 112102102001 - 214 = 112102085617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112102102081) 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, 45310850 + ... + 45313323.

It is an arithmetic number, because the mean of its divisors is an integer number (28048181853).

Almost surely, 2112102102001 is an apocalyptic number.

It is an amenable number.

112102102001 is a deficient number, since it is larger than the sum of its proper divisors (90625411).

112102102001 is an equidigital number, since it uses as much as digits as its factorization.

112102102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90625410.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 112102102001 its reverse (100201201211), we get a palindrome (212303303212).

The spelling of 112102102001 in words is "one hundred twelve billion, one hundred two million, one hundred two thousand, one".

Divisors: 1 1237 90624173 112102102001