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1220014111 = 19580111069
BaseRepresentation
bin100100010110111…
…1111000000011111
310011000200010201211
41020231333000133
54444310422421
6321021045251
742142643311
oct11055770037
93130603654
101220014111
11576736728
122a06b6827
131659b1154
14b805d7b1
15721909e1
hex48b7f01f

1220014111 has 8 divisors (see below), whose sum is σ = 1284562800. Its totient is φ = 1155499200.

The previous prime is 1220014099. The next prime is 1220014123. The reversal of 1220014111 is 1114100221.

It is an interprime number because it is at equal distance from previous prime (1220014099) and next prime (1220014123).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1220014111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220014091 and 1220014100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220014171) 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 7 ways as a sum of consecutive naturals, for example, 104685 + ... + 115753.

It is an arithmetic number, because the mean of its divisors is an integer number (160570350).

Almost surely, 21220014111 is an apocalyptic number.

1220014111 is a deficient number, since it is larger than the sum of its proper divisors (64548689).

1220014111 is a wasteful number, since it uses less digits than its factorization.

1220014111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16889.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1220014111 is about 34928.7003909393. The cubic root of 1220014111 is about 1068.5338498114.

Adding to 1220014111 its reverse (1114100221), we get a palindrome (2334114332).

The spelling of 1220014111 in words is "one billion, two hundred twenty million, fourteen thousand, one hundred eleven".

Divisors: 1 19 5801 11069 110219 210311 64211269 1220014111