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112122021002221 = 8917918097388903
BaseRepresentation
bin11001011111100101110001…
…001110111011101111101101
3112200222202112102102210102201
4121133211301032323233231
5104144001344334032341
61034244051222221501
732421356126444026
oct3137456116735755
9480882472383381
10112122021002221
11327a8755927a6a
12106a9bb9b84891
134a740a463b899
141d98a402dbc4d
15ce683ed06331
hex65f9713bbbed

112122021002221 has 16 divisors (see below), whose sum is σ = 114021830390400. Its totient is φ = 110236505753088.

The previous prime is 112122021002213. The next prime is 112122021002279. The reversal of 112122021002221 is 122200120221211.

It is not a de Polignac number, because 112122021002221 - 23 = 112122021002213 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 (112122021002281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288108856 + ... + 288497758.

It is an arithmetic number, because the mean of its divisors is an integer number (7126364399400).

Almost surely, 2112122021002221 is an apocalyptic number.

It is an amenable number.

112122021002221 is a deficient number, since it is larger than the sum of its proper divisors (1899809388179).

112122021002221 is a wasteful number, since it uses less digits than its factorization.

112122021002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407268.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112122021002221 its reverse (122200120221211), we get a palindrome (234322141223432).

The spelling of 112122021002221 in words is "one hundred twelve trillion, one hundred twenty-two billion, twenty-one million, two thousand, two hundred twenty-one".

Divisors: 1 89 179 15931 18097 388903 1610633 3239363 34612367 69613637 288303307 6195613693 7037977591 626380005599 1259797988789 112122021002221