Base | Representation |
---|---|
bin | 111000110111001100… |
… | …0111010110000111001 |
3 | 102200012010121010021011 |
4 | 1301232120322300321 |
5 | 4000040421011301 |
6 | 132032544513521 |
7 | 11552012211433 |
oct | 1615630726071 |
9 | 380163533234 |
10 | 122111110201 |
11 | 478725a14a3 |
12 | 1b7ba91b8a1 |
13 | b6906951c2 |
14 | 5ca5885653 |
15 | 329a4b4a51 |
hex | 1c6e63ac39 |
122111110201 has 16 divisors (see below), whose sum is σ = 129457036800. Its totient is φ = 114992956800.
The previous prime is 122111110189. The next prime is 122111110207. The reversal of 122111110201 is 102011111221.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 122111110201 - 27 = 122111110073 is a prime.
It is a super-2 number, since 2×1221111102012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122111110207) 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, 370930 + ... + 617908.
It is an arithmetic number, because the mean of its divisors is an integer number (8091064800).
Almost surely, 2122111110201 is an apocalyptic number.
It is an amenable number.
122111110201 is a deficient number, since it is larger than the sum of its proper divisors (7345926599).
122111110201 is a wasteful number, since it uses less digits than its factorization.
122111110201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247440.
The product of its (nonzero) digits is 8, while the sum is 13.
Adding to 122111110201 its reverse (102011111221), we get a palindrome (224122221422).
The spelling of 122111110201 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred ten thousand, two hundred one".
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