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112121011200001 = 711579169171831
BaseRepresentation
bin11001011111100100110101…
…000010110110000000000001
3112200222122221001022112012111
4121133210311002312000001
5104143442312331400001
61034243403110455321
732421322115326156
oct3137446502660001
9480878831275174
10112121011200001
11327a8287919681
12106a9977964541
134a73c7337bb8b
141d9898615c22d
15ce67d133a851
hex65f9350b6001

112121011200001 has 4 divisors (see below), whose sum is σ = 113700180371904. Its totient is φ = 110541842028100.

The previous prime is 112121011199929. The next prime is 112121011200013. The reversal of 112121011200001 is 100002110121211.

It is a happy number.

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 112121011200001 - 241 = 109921987944449 is a prime.

It is a super-2 number, since 2×1121210112000012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112121011200071) 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, 789584585845 + ... + 789584585986.

It is an arithmetic number, because the mean of its divisors is an integer number (28425045092976).

Almost surely, 2112121011200001 is an apocalyptic number.

It is an amenable number.

112121011200001 is a deficient number, since it is larger than the sum of its proper divisors (1579169171903).

112121011200001 is an equidigital number, since it uses as much as digits as its factorization.

112121011200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579169171902.

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

Adding to 112121011200001 its reverse (100002110121211), we get a palindrome (212123121321212).

The spelling of 112121011200001 in words is "one hundred twelve trillion, one hundred twenty-one billion, eleven million, two hundred thousand, one".

Divisors: 1 71 1579169171831 112121011200001