Base | Representation |
---|---|
bin | 11011100001000110101101… |
… | …010011101010001010100010 |
3 | 120212111121110021111202121100 |
4 | 123201012231103222022202 |
5 | 111330311431441024302 |
6 | 1105220455350135230 |
7 | 34330364651235006 |
oct | 3341065523521242 |
9 | 525447407452540 |
10 | 121022201111202 |
11 | 3561a255537596 |
12 | 116a6ab6351516 |
13 | 526b4631004b1 |
14 | 21c5711c48706 |
15 | ded0e9ec3d1c |
hex | 6e11ad4ea2a2 |
121022201111202 has 12 divisors (see below), whose sum is σ = 262214769074310. Its totient is φ = 40340733703728.
The previous prime is 121022201111113. The next prime is 121022201111219. The reversal of 121022201111202 is 202111102220121.
121022201111202 is a `hidden beast` number, since 1 + 210 + 2 + 220 + 111 + 120 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 95732154686961 + 25290046424241 = 9784281^2 + 5028921^2 .
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6723455617289 = 121022201111202 / (1 + 2 + 1 + 0 + 2 + 2 + 2 + 0 + 1 + 1 + 1 + 1 + 2 + 0 + 2).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3361727808627 + ... + 3361727808662.
Almost surely, 2121022201111202 is an apocalyptic number.
121022201111202 is an abundant number, since it is smaller than the sum of its proper divisors (141192567963108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121022201111202 is a wasteful number, since it uses less digits than its factorization.
121022201111202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6723455617297 (or 6723455617294 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 18.
Adding to 121022201111202 its reverse (202111102220121), we get a palindrome (323133303331323).
The spelling of 121022201111202 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred one million, one hundred eleven thousand, two hundred two".
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