Base | Representation |
---|---|
bin | 100000010100011111001… |
… | …110100011101110111111 |
3 | 21212022211211201220001021 |
4 | 200110133032203232333 |
5 | 242342123113031421 |
6 | 4420153505325011 |
7 | 316314665344663 |
oct | 40243716435677 |
9 | 7768754656037 |
10 | 2221022002111 |
11 | 786a26022350 |
12 | 2ba547936767 |
13 | 131597bccb43 |
14 | 796d88908a3 |
15 | 3cb91c98341 |
hex | 2051f3a3bbf |
2221022002111 has 8 divisors (see below), whose sum is σ = 2445577329024. Its totient is φ = 2000240714520.
The previous prime is 2221022002061. The next prime is 2221022002141. The reversal of 2221022002111 is 1112002201222.
It is a happy number.
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 2221022002111 - 215 = 2221021969343 is a prime.
It is a super-2 number, since 2×22210220021112 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221022002141) 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, 943508595 + ... + 943510948.
It is an arithmetic number, because the mean of its divisors is an integer number (305697166128).
Almost surely, 22221022002111 is an apocalyptic number.
2221022002111 is a deficient number, since it is larger than the sum of its proper divisors (224555326913).
2221022002111 is a wasteful number, since it uses less digits than its factorization.
2221022002111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1887019661.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 2221022002111 its reverse (1112002201222), we get a palindrome (3333024203333).
The spelling of 2221022002111 in words is "two trillion, two hundred twenty-one billion, twenty-two million, two thousand, one hundred eleven".
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