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2112201102211 = 18169116253019
BaseRepresentation
bin11110101111001000111…
…111110001001110000011
321110220221221000101221021
4132233020333301032003
5234101241440232321
64254155400010311
7305413212065104
oct36571077611603
97426857011837
102112201102211
11744863503632
122a1437a60997
13124244a8a505
147433411a3ab
1539e2345d941
hex1ebc8ff1383

2112201102211 has 4 divisors (see below), whose sum is σ = 2112317373400. Its totient is φ = 2112084831024.

The previous prime is 2112201102191. The next prime is 2112201102217. The reversal of 2112201102211 is 1122011022112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2112201102211 is a prime.

It is a super-2 number, since 2×21122011022112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112201102217) 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, 58108341 + ... + 58144678.

It is an arithmetic number, because the mean of its divisors is an integer number (528079343350).

Almost surely, 22112201102211 is an apocalyptic number.

2112201102211 is a deficient number, since it is larger than the sum of its proper divisors (116271189).

2112201102211 is a wasteful number, since it uses less digits than its factorization.

2112201102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116271188.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2112201102211 its reverse (1122011022112), we get a palindrome (3234212124323).

It can be divided in two parts, 2 and 112201102211, that multiplied together give a palindrome (224402204422).

The spelling of 2112201102211 in words is "two trillion, one hundred twelve billion, two hundred one million, one hundred two thousand, two hundred eleven".

Divisors: 1 18169 116253019 2112201102211