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112221010221 = 31923382310267
BaseRepresentation
bin110100010000011100…
…1001011100100101101
3101201122212121222121220
41220200321023210231
53314312034311341
6123315325413553
711051640563625
oct1504071134455
9351585558556
10112221010221
114365791aa51
12198ba70a2b9
13a7756a6738
14560816d885
152dbc0b4a66
hex1a20e4b92d

112221010221 has 32 divisors (see below), whose sum is σ = 158386775040. Its totient is φ = 70479621504.

The previous prime is 112221010201. The next prime is 112221010241. The reversal of 112221010221 is 122010122211.

It is an interprime number because it is at equal distance from previous prime (112221010201) and next prime (112221010241).

It is not a de Polignac number, because 112221010221 - 213 = 112221002029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112221010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221010201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10925130 + ... + 10935396.

It is an arithmetic number, because the mean of its divisors is an integer number (4949586720).

Almost surely, 2112221010221 is an apocalyptic number.

It is an amenable number.

112221010221 is a deficient number, since it is larger than the sum of its proper divisors (46165764819).

112221010221 is a wasteful number, since it uses less digits than its factorization.

112221010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11345.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112221010221 its reverse (122010122211), we get a palindrome (234231132432).

The spelling of 112221010221 in words is "one hundred twelve billion, two hundred twenty-one million, ten thousand, two hundred twenty-one".

Divisors: 1 3 19 57 233 699 823 2469 4427 10267 13281 15637 30801 46911 191759 195073 575277 585219 2392211 3643421 7176633 8449741 10930263 25349223 45452009 136356027 160545079 481635237 1968789653 5906368959 37407003407 112221010221