Base | Representation |
---|---|
bin | 11011101111011110110001… |
… | …010101001100110000110001 |
3 | 121000000001102102110002022211 |
4 | 123233132301111030300301 |
5 | 111443003201420231001 |
6 | 1111254400553532121 |
7 | 34461640202505553 |
oct | 3357366125146061 |
9 | 530001372402284 |
10 | 122010111102001 |
11 | 35970219a13641 |
12 | 11826463414041 |
13 | 53106726ab325 |
14 | 221b46c7234d3 |
15 | e18b6a13a351 |
hex | 6ef7b154cc31 |
122010111102001 has 4 divisors (see below), whose sum is σ = 122010133321972. Its totient is φ = 122010088882032.
The previous prime is 122010111101969. The next prime is 122010111102041. The reversal of 122010111102001 is 100201111010221.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 112337762300401 + 9672348801600 = 10598951^2 + 3110040^2 .
It is a cyclic number.
It is not a de Polignac number, because 122010111102001 - 25 = 122010111101969 is a prime.
It is a super-2 number, since 2×1220101111020012 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122010111102041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3766495 + ... + 16068811.
It is an arithmetic number, because the mean of its divisors is an integer number (30502533330493).
Almost surely, 2122010111102001 is an apocalyptic number.
It is an amenable number.
122010111102001 is a deficient number, since it is larger than the sum of its proper divisors (22219971).
122010111102001 is an equidigital number, since it uses as much as digits as its factorization.
122010111102001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22219970.
The product of its (nonzero) digits is 8, while the sum is 13.
Adding to 122010111102001 its reverse (100201111010221), we get a palindrome (222211222112222).
The spelling of 122010111102001 in words is "one hundred twenty-two trillion, ten billion, one hundred eleven million, one hundred two thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.108 sec. • engine limits •