Base | Representation |
---|---|
bin | 11011101111101000111011… |
… | …000001000101100110111101 |
3 | 121000001002120001120022011122 |
4 | 123233220323001011212331 |
5 | 111443143012310121341 |
6 | 1111303402325000325 |
7 | 34462504255336025 |
oct | 3357507301054675 |
9 | 530032501508148 |
10 | 122021011020221 |
11 | 35974902704515 |
12 | 118285a58530a5 |
13 | 53116bb963b91 |
14 | 221bbc41c0a85 |
15 | e190a700a94b |
hex | 6efa3b0459bd |
122021011020221 has 8 divisors (see below), whose sum is σ = 123095937691584. Its totient is φ = 120948258115360.
The previous prime is 122021011020197. The next prime is 122021011020253. The reversal of 122021011020221 is 122020110120221.
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 122021011020221 - 26 = 122021011020157 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 122021011020221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122021011050221) 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, 543328865 + ... + 543553398.
It is an arithmetic number, because the mean of its divisors is an integer number (15386992211448).
Almost surely, 2122021011020221 is an apocalyptic number.
It is an amenable number.
122021011020221 is a deficient number, since it is larger than the sum of its proper divisors (1074926671363).
122021011020221 is a wasteful number, since it uses less digits than its factorization.
122021011020221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1086883251.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 122021011020221 its reverse (122020110120221), we get a palindrome (244041121140442).
The spelling of 122021011020221 in words is "one hundred twenty-two trillion, twenty-one billion, eleven million, twenty thousand, two hundred twenty-one".
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