Search a number
-
+
2112202020111 = 34714980156171
BaseRepresentation
bin11110101111001001000…
…011010001010100001111
321110220221222202001001120
4132233021003101110033
5234101242204120421
64254155431412023
7305413222640151
oct36571103212417
97426858661046
102112202020111
11744863a80227
122a1438224013
1312424501c251
14743342b8ad1
1539e235908c6
hex1ebc90d150f

2112202020111 has 8 divisors (see below), whose sum is σ = 2876189985024. Its totient is φ = 1378174367640.

The previous prime is 2112202020109. The next prime is 2112202020113. The reversal of 2112202020111 is 1110202022112.

It is an interprime number because it is at equal distance from previous prime (2112202020109) and next prime (2112202020113).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2112202020111 - 21 = 2112202020109 is a prime.

It is a super-2 number, since 2×21122020201112 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112202020113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7490077945 + ... + 7490078226.

It is an arithmetic number, because the mean of its divisors is an integer number (359523748128).

Almost surely, 22112202020111 is an apocalyptic number.

2112202020111 is a deficient number, since it is larger than the sum of its proper divisors (763987964913).

2112202020111 is a wasteful number, since it uses less digits than its factorization.

2112202020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14980156221.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2112202020111 its reverse (1110202022112), we get a palindrome (3222404042223).

The spelling of 2112202020111 in words is "two trillion, one hundred twelve billion, two hundred two million, twenty thousand, one hundred eleven".

Divisors: 1 3 47 141 14980156171 44940468513 704067340037 2112202020111