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110220122001 = 31117471911851
BaseRepresentation
bin110011010100110100…
…0011001011110010001
3101112111102121022222210
41212221220121132101
53301212322401001
6122345011422333
710651233402363
oct1465150313621
9345442538883
10110220122001
1142820427020
12194405b49a9
13a516cab002
145498522d33
152d015c8dd6
hex19a9a19791

110220122001 has 16 divisors (see below), whose sum is σ = 160412030208. Its totient is φ = 66761802000.

The previous prime is 110220121981. The next prime is 110220122009. The reversal of 110220122001 is 100221022011.

It is not a de Polignac number, because 110220122001 - 210 = 110220120977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (110220122009) 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, 898275 + ... + 1013576.

It is an arithmetic number, because the mean of its divisors is an integer number (10025751888).

Almost surely, 2110220122001 is an apocalyptic number.

110220122001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110220122001 is a deficient number, since it is larger than the sum of its proper divisors (50191908207).

110220122001 is a wasteful number, since it uses less digits than its factorization.

110220122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913612.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 110220122001 its reverse (100221022011), we get a palindrome (210441144012).

It can be divided in two parts, 110220 and 122001, that added together give a triangular number (232221 = T681).

The spelling of 110220122001 in words is "one hundred ten billion, two hundred twenty million, one hundred twenty-two thousand, one".

Divisors: 1 3 11 33 1747 5241 19217 57651 1911851 5735553 21030361 63091083 3340003697 10020011091 36740040667 110220122001