Base | Representation |
---|---|
bin | 11101010000001010100… |
… | …100110101000100000101 |
3 | 21010011201211120102010100 |
4 | 131100022210311010011 |
5 | 230413413330334341 |
6 | 4135252220314313 |
7 | 265143115046526 |
oct | 35201244650405 |
9 | 7104654512110 |
10 | 2010222121221 |
11 | 705591a87856 |
12 | 2857173a2999 |
13 | 117742282902 |
14 | 6d41c31284d |
15 | 374556143b6 |
hex | 1d40a935105 |
2010222121221 has 12 divisors (see below), whose sum is σ = 2905037553600. Its totient is φ = 1339509598440.
The previous prime is 2010222121199. The next prime is 2010222121247. The reversal of 2010222121221 is 1221212220102.
It is a happy number.
2010222121221 is a `hidden beast` number, since 201 + 0 + 2 + 221 + 21 + 221 = 666.
It is not a de Polignac number, because 2010222121221 - 215 = 2010222088453 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2010222121194 and 2010222121203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2010222121261) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53186925 + ... + 53224706.
It is an arithmetic number, because the mean of its divisors is an integer number (242086462800).
Almost surely, 22010222121221 is an apocalyptic number.
It is an amenable number.
2010222121221 is a deficient number, since it is larger than the sum of its proper divisors (894815432379).
2010222121221 is a wasteful number, since it uses less digits than its factorization.
2010222121221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106413736 (or 106413733 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 2010222121221 its reverse (1221212220102), we get a palindrome (3231434341323).
The spelling of 2010222121221 in words is "two trillion, ten billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred twenty-one".
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