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2112201230111 = 71717749590169
BaseRepresentation
bin11110101111001001000…
…000010000011100011111
321110220221221020220101022
4132233021000100130133
5234101242003330421
64254155402434355
7305413213140020
oct36571100203437
97426857226338
102112201230111
11744863590735
122a1437b029bb
13124244b037ab
1474334150c47
1539e234867ab
hex1ebc901071f

2112201230111 has 8 divisors (see below), whose sum is σ = 2555940984480. Its totient is φ = 1703960656128.

The previous prime is 2112201230107. The next prime is 2112201230129. The reversal of 2112201230111 is 1110321022112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2112201230111 - 22 = 2112201230107 is a prime.

It is a super-2 number, since 2×21122012301112 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112201230111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112201232111) 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, 8874794966 + ... + 8874795203.

It is an arithmetic number, because the mean of its divisors is an integer number (319492623060).

Almost surely, 22112201230111 is an apocalyptic number.

2112201230111 is a deficient number, since it is larger than the sum of its proper divisors (443739754369).

2112201230111 is a wasteful number, since it uses less digits than its factorization.

2112201230111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17749590193.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2112201230111 its reverse (1110321022112), we get a palindrome (3222522252223).

The spelling of 2112201230111 in words is "two trillion, one hundred twelve billion, two hundred one million, two hundred thirty thousand, one hundred eleven".

Divisors: 1 7 17 119 17749590169 124247131183 301743032873 2112201230111