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112021100211001 = 154977228566833
BaseRepresentation
bin11001011110000111110001…
…111000101010101100111001
3112200122010001002011102002111
4121132013301320222230321
5104140323203123223001
61034125441043332321
732411154202044022
oct3136076170525471
9480563032142074
10112021100211001
1132769977759893
12106925339810a1
134a67710136187
141d93bc8c6bc49
15ce3dd4d34851
hex65e1f1e2ab39

112021100211001 has 4 divisors (see below), whose sum is σ = 112028328793332. Its totient is φ = 112013871628672.

The previous prime is 112021100210977. The next prime is 112021100211061. The reversal of 112021100211001 is 100112001120211.

It is a happy number.

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 53451466724601 + 58569633486400 = 7311051^2 + 7653080^2 .

It is a cyclic number.

It is not a de Polignac number, because 112021100211001 - 215 = 112021100178233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112021100211061) 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, 3614267920 + ... + 3614298913.

It is an arithmetic number, because the mean of its divisors is an integer number (28007082198333).

Almost surely, 2112021100211001 is an apocalyptic number.

It is an amenable number.

112021100211001 is a deficient number, since it is larger than the sum of its proper divisors (7228582331).

112021100211001 is an equidigital number, since it uses as much as digits as its factorization.

112021100211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7228582330.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112021100211001 its reverse (100112001120211), we get a palindrome (212133101331212).

The spelling of 112021100211001 in words is "one hundred twelve trillion, twenty-one billion, one hundred million, two hundred eleven thousand, one".

Divisors: 1 15497 7228566833 112021100211001