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112111102010101 = 197435356783717
BaseRepresentation
bin11001011111011011100110…
…011010010010001011110101
3112200221201100110102112010011
4121133123212122102023311
5104143312014103310401
61034235043530300221
732420521422522535
oct3137334632221365
9480851313375104
10112111102010101
11327a4062399637
12106a7a71287671
134a730544382bc
141d982c60b74c5
15ce6401419451
hex65f6e66922f5

112111102010101 has 4 divisors (see below), whose sum is σ = 112111160768172. Its totient is φ = 112111043252032.

The previous prime is 112111102010051. The next prime is 112111102010119. The reversal of 112111102010101 is 101010201111211.

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 81306270966001 + 30804831044100 = 9016999^2 + 5550210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112111102010101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111102010801) 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, 26417506 + ... + 30366211.

It is an arithmetic number, because the mean of its divisors is an integer number (28027790192043).

Almost surely, 2112111102010101 is an apocalyptic number.

It is an amenable number.

112111102010101 is a deficient number, since it is larger than the sum of its proper divisors (58758071).

112111102010101 is an equidigital number, since it uses as much as digits as its factorization.

112111102010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58758070.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 112111102010101 its reverse (101010201111211), we get a palindrome (213121303121312).

The spelling of 112111102010101 in words is "one hundred twelve trillion, one hundred eleven billion, one hundred two million, ten thousand, one hundred one".

Divisors: 1 1974353 56783717 112111102010101