Base | Representation |
---|---|
bin | 100000001100001011100… |
… | …011011111100010001101 |
3 | 21211110211012012101121220 |
4 | 200030023203133202031 |
5 | 242220341103323041 |
6 | 4412120423113553 |
7 | 315550643565030 |
oct | 40141343374215 |
9 | 7743735171556 |
10 | 2212102011021 |
11 | 783168a08a91 |
12 | 2b88785a28b9 |
13 | 1307a5bb3cc6 |
14 | 790cdd45017 |
15 | 3c81db22d66 |
hex | 2030b8df88d |
2212102011021 has 16 divisors (see below), whose sum is σ = 3370915504128. Its totient is φ = 1264023270000.
The previous prime is 2212102011001. The next prime is 2212102011037. The reversal of 2212102011021 is 1201102012122.
It is not a de Polignac number, because 2212102011021 - 211 = 2212102008973 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2212102011001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673405 + ... + 2208546.
It is an arithmetic number, because the mean of its divisors is an integer number (210682219008).
Almost surely, 22212102011021 is an apocalyptic number.
2212102011021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2212102011021 is a deficient number, since it is larger than the sum of its proper divisors (1158813493107).
2212102011021 is a wasteful number, since it uses less digits than its factorization.
2212102011021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2918512.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 2212102011021 its reverse (1201102012122), we get a palindrome (3413204023143).
The spelling of 2212102011021 in words is "two trillion, two hundred twelve billion, one hundred two million, eleven thousand, twenty-one".
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