Base | Representation |
---|---|
bin | 100000010011101110111… |
… | …101000100011010100011 |
3 | 21212020202101210011022121 |
4 | 200103232331010122203 |
5 | 242333443300023021 |
6 | 4415541254445111 |
7 | 316255632364306 |
oct | 40235675043243 |
9 | 7766671704277 |
10 | 2220212111011 |
11 | 78664a946164 |
12 | 2ba360663797 |
13 | 131499195b3b |
14 | 7965d0acb3d |
15 | 3cb45b1a741 |
hex | 204eef446a3 |
2220212111011 has 2 divisors, whose sum is σ = 2220212111012. Its totient is φ = 2220212111010.
The previous prime is 2220212111009. The next prime is 2220212111053. The reversal of 2220212111011 is 1101112120222.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2220212111011 - 21 = 2220212111009 is a prime.
Together with 2220212111009, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (2220212112011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110106055505 + 1110106055506.
It is an arithmetic number, because the mean of its divisors is an integer number (1110106055506).
Almost surely, 22220212111011 is an apocalyptic number.
2220212111011 is a deficient number, since it is larger than the sum of its proper divisors (1).
2220212111011 is an equidigital number, since it uses as much as digits as its factorization.
2220212111011 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 2220212111011 its reverse (1101112120222), we get a palindrome (3321324231233).
The spelling of 2220212111011 in words is "two trillion, two hundred twenty billion, two hundred twelve million, one hundred eleven thousand, eleven".
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