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222001013013121 = 37223229611171811
BaseRepresentation
bin110010011110100010100011…
…100001010011101010000001
31002010001002102022002210221201
4302132202203201103222001
5213044231033312404441
62104053505113021201
764522021025324506
oct6236424341235201
91063032368083851
10222001013013121
11648111123229a1
1220a9534a0b4801
1396b47b494c314
143cb6c990a94ad
151a9eb50d04c31
hexc9e8a3853a81

222001013013121 has 16 divisors (see below), whose sum is σ = 229033636489728. Its totient is φ = 215022822739200.

The previous prime is 222001013013107. The next prime is 222001013013173. The reversal of 222001013013121 is 121310310100222.

It is not a de Polignac number, because 222001013013121 - 217 = 222001012882049 is a prime.

It is a super-3 number, since 3×2220010130131213 (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222001013016121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188865306 + ... + 190037116.

It is an arithmetic number, because the mean of its divisors is an integer number (14314602280608).

Almost surely, 2222001013013121 is an apocalyptic number.

It is an amenable number.

222001013013121 is a deficient number, since it is larger than the sum of its proper divisors (7032623476607).

222001013013121 is a wasteful number, since it uses less digits than its factorization.

222001013013121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195032.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 222001013013121 its reverse (121310310100222), we get a palindrome (343311323113343).

The spelling of 222001013013121 in words is "two hundred twenty-two trillion, one billion, thirteen million, thirteen thousand, one hundred twenty-one".

Divisors: 1 37 223 8251 22961 849557 1171811 5120303 43357007 189451211 261313853 9668612561 26905952371 995520237727 6000027378733 222001013013121