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112111210220101 = 203954983428259
BaseRepresentation
bin11001011111011011101100…
…110111000100101001000101
3112200221201122000001011022221
4121133123230313010221011
5104143312224304020401
61034235102353452341
732420524205350561
oct3137335467045105
9480851560034287
10112111210220101
11327a4108488394
12106a7aa15710b1
134a730709949a1
141d982d66046a1
15ce640ab917a1
hex65f6ecdc4a45

112111210220101 has 4 divisors (see below), whose sum is σ = 112166193650400. Its totient is φ = 112056226789804.

The previous prime is 112111210220071. The next prime is 112111210220117. The reversal of 112111210220101 is 101022012111211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112111210220101 - 25 = 112111210220069 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 (112111210220201) 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, 27491712091 + ... + 27491716168.

It is an arithmetic number, because the mean of its divisors is an integer number (28041548412600).

Almost surely, 2112111210220101 is an apocalyptic number.

It is an amenable number.

112111210220101 is a deficient number, since it is larger than the sum of its proper divisors (54983430299).

112111210220101 is an equidigital number, since it uses as much as digits as its factorization.

112111210220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54983430298.

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

Adding to 112111210220101 its reverse (101022012111211), we get a palindrome (213133222331312).

The spelling of 112111210220101 in words is "one hundred twelve trillion, one hundred eleven billion, two hundred ten million, two hundred twenty thousand, one hundred one".

Divisors: 1 2039 54983428259 112111210220101