Base | Representation |
---|---|
bin | 10000010100111101101… |
… | …010110111010011101101 |
3 | 10222021010120200010002020 |
4 | 100110331222313103231 |
5 | 121340344401023041 |
6 | 2215241022220353 |
7 | 144030505040256 |
oct | 20247552672355 |
9 | 3867116603066 |
10 | 1122021111021 |
11 | 3a29347366a8 |
12 | 1615567246b9 |
13 | 81a6310c295 |
14 | 3c43dd81b2d |
15 | 1e2bdd9e866 |
hex | 1053dab74ed |
1122021111021 has 4 divisors (see below), whose sum is σ = 1496028148032. Its totient is φ = 748014074012.
The previous prime is 1122021110963. The next prime is 1122021111047. The reversal of 1122021111021 is 1201111202211.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1122021111021 - 211 = 1122021108973 is a prime.
It is a super-3 number, since 3×11220211110213 (a number of 37 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1122021111061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187003518501 + ... + 187003518506.
It is an arithmetic number, because the mean of its divisors is an integer number (374007037008).
Almost surely, 21122021111021 is an apocalyptic number.
It is an amenable number.
1122021111021 is a deficient number, since it is larger than the sum of its proper divisors (374007037011).
1122021111021 is an equidigital number, since it uses as much as digits as its factorization.
1122021111021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 374007037010.
The product of its (nonzero) digits is 16, while the sum is 15.
Adding to 1122021111021 its reverse (1201111202211), we get a palindrome (2323132313232).
The spelling of 1122021111021 in words is "one trillion, one hundred twenty-two billion, twenty-one million, one hundred eleven thousand, twenty-one".
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