Search a number
-
+
2210112111001 = 2406191854541
BaseRepresentation
bin100000001010010100111…
…100101000000110011001
321211021200111211222222011
4200022110330220012121
5242202302200023001
64411151140425521
7315450431660164
oct40122474500631
97737614758864
102210112111001
1178233773a713
122b84020a82a1
13130549864b82
1478d81958adb
153c7540a7d51
hex20294f28199

2210112111001 has 4 divisors (see below), whose sum is σ = 2210203989604. Its totient is φ = 2210020232400.

The previous prime is 2210112110993. The next prime is 2210112111013. The reversal of 2210112111001 is 1001112110122.

It is a happy number.

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 2180196949401 + 29915161600 = 1476549^2 + 172960^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210112111001 - 23 = 2210112110993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2210112111101) 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, 45903210 + ... + 45951331.

It is an arithmetic number, because the mean of its divisors is an integer number (552550997401).

Almost surely, 22210112111001 is an apocalyptic number.

It is an amenable number.

2210112111001 is a deficient number, since it is larger than the sum of its proper divisors (91878603).

2210112111001 is an equidigital number, since it uses as much as digits as its factorization.

2210112111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91878602.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2210112111001 its reverse (1001112110122), we get a palindrome (3211224221123).

The spelling of 2210112111001 in words is "two trillion, two hundred ten billion, one hundred twelve million, one hundred eleven thousand, one".

Divisors: 1 24061 91854541 2210112111001