Base | Representation |
---|---|
bin | 11011110010100011010111… |
… | …010010000110010111101101 |
3 | 121000202020021122202012020002 |
4 | 123302203113102012113231 |
5 | 112004433010003033401 |
6 | 1111535351131434045 |
7 | 34513122206065403 |
oct | 3362432722062755 |
9 | 530666248665202 |
10 | 122221201221101 |
11 | 35a417a1875424 |
12 | 1185b354bb5925 |
13 | 53275434b9048 |
14 | 2227775653473 |
15 | e1e3c2000a6b |
hex | 6f28d74865ed |
122221201221101 has 8 divisors (see below), whose sum is σ = 122424954249984. Its totient is φ = 122017456088640.
The previous prime is 122221201221083. The next prime is 122221201221103. The reversal of 122221201221101 is 101122102122221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122221201221101 - 210 = 122221201220077 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122221201221103) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29423621 + ... + 33319541.
It is an arithmetic number, because the mean of its divisors is an integer number (15303119281248).
Almost surely, 2122221201221101 is an apocalyptic number.
It is an amenable number.
122221201221101 is a deficient number, since it is larger than the sum of its proper divisors (203753028883).
122221201221101 is an equidigital number, since it uses as much as digits as its factorization.
122221201221101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3948211.
The product of its (nonzero) digits is 128, while the sum is 20.
Adding to 122221201221101 its reverse (101122102122221), we get a palindrome (223343303343322).
The spelling of 122221201221101 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, two hundred one million, two hundred twenty-one thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •