Base | Representation |
---|---|
bin | 10001110010000101011… |
… | …111000011000111010011 |
3 | 11022211012222211012001020 |
4 | 101302011133003013103 |
5 | 130010134104033021 |
6 | 2333214520010523 |
7 | 154200360331416 |
oct | 21620537030723 |
9 | 4284188735036 |
10 | 1222010221011 |
11 | 431284a03998 |
12 | 178a00900a43 |
13 | 8b3095a8018 |
14 | 432077a9b7d |
15 | 21bc21877c6 |
hex | 11c857c31d3 |
1222010221011 has 16 divisors (see below), whose sum is σ = 1630875770784. Its totient is φ = 813909233664.
The previous prime is 1222010220983. The next prime is 1222010221031. The reversal of 1222010221011 is 1101220102221.
It is not a de Polignac number, because 1222010221011 - 210 = 1222010219987 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1222010221031) 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, 49831125 + ... + 49855641.
It is an arithmetic number, because the mean of its divisors is an integer number (101929735674).
Almost surely, 21222010221011 is an apocalyptic number.
1222010221011 is a deficient number, since it is larger than the sum of its proper divisors (408865549773).
1222010221011 is a wasteful number, since it uses less digits than its factorization.
1222010221011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39430.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 1222010221011 its reverse (1101220102221), we get a palindrome (2323230323232).
It can be divided in two parts, 12220102210 and 11, that added together give a palindrome (12220102221).
The spelling of 1222010221011 in words is "one trillion, two hundred twenty-two billion, ten million, two hundred twenty-one thousand, eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •