Base | Representation |
---|---|
bin | 111000011001000110… |
… | …0011010111101000110 |
3 | 102120120202021102120220 |
4 | 1300302030122331012 |
5 | 3441003401414342 |
6 | 131344431005210 |
7 | 11515000140411 |
oct | 1606214327506 |
9 | 376522242526 |
10 | 121101201222 |
11 | 473a451a981 |
12 | 1b578669806 |
13 | b55c398a21 |
14 | 5c0b6b8b78 |
15 | 323b9c75ec |
hex | 1c3231af46 |
121101201222 has 64 divisors (see below), whose sum is σ = 251682816000. Its totient is φ = 38805156000.
The previous prime is 121101201217. The next prime is 121101201269. The reversal of 121101201222 is 222102101121.
It is a super-2 number, since 2×1211012012222 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20694597 + ... + 20700447.
It is an arithmetic number, because the mean of its divisors is an integer number (3932544000).
Almost surely, 2121101201222 is an apocalyptic number.
121101201222 is an abundant number, since it is smaller than the sum of its proper divisors (130581614778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121101201222 is a wasteful number, since it uses less digits than its factorization.
121101201222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6609.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 121101201222 its reverse (222102101121), we get a palindrome (343203302343).
The spelling of 121101201222 in words is "one hundred twenty-one billion, one hundred one million, two hundred one thousand, two hundred twenty-two".
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