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112221102021101 = 53109102119025953
BaseRepresentation
bin11001100001000010000010…
…111011000001100111101101
3112201100020021112212001120122
4121201002002323001213231
5104202112304104133401
61034401355040254325
732431464344300213
oct3141020273014755
9481306245761518
10112221102021101
113283677a546a37
12107052500113a5
134a8053493a1c8
141d9d75d2a0cb3
15ce91dd51521b
hex661082ec19ed

112221102021101 has 16 divisors (see below), whose sum is σ = 115500478428720. Its totient is φ = 108986741360640.

The previous prime is 112221102021059. The next prime is 112221102021187. The reversal of 112221102021101 is 101120201122211.

It can be written as a sum of positive squares in 8 ways, for example, as 15619212973225 + 96601889047876 = 3952115^2 + 9828626^2 .

It is a cyclic number.

It is not a de Polignac number, because 112221102021101 - 218 = 112221101758957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112221102021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221102021601) 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, 3614660 + ... + 15411293.

It is an arithmetic number, because the mean of its divisors is an integer number (7218779901795).

Almost surely, 2112221102021101 is an apocalyptic number.

It is an amenable number.

112221102021101 is a deficient number, since it is larger than the sum of its proper divisors (3279376407619).

112221102021101 is a wasteful number, since it uses less digits than its factorization.

112221102021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19027136.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112221102021101 its reverse (101120201122211), we get a palindrome (213341303143312).

The spelling of 112221102021101 in words is "one hundred twelve trillion, two hundred twenty-one billion, one hundred two million, twenty-one thousand, one hundred one".

Divisors: 1 53 109 1021 5777 54113 111289 5898317 19025953 1008375509 2073828877 19425498013 109912930481 1029551394689 2117379283417 112221102021101