Base | Representation |
---|---|
bin | 10000010011000110011… |
… | …101000101111011111101 |
3 | 10222001222012010120022220 |
4 | 100103012131011323331 |
5 | 121322300334342341 |
6 | 2214310333155553 |
7 | 143630110344366 |
oct | 20230635057375 |
9 | 3861865116286 |
10 | 1120021012221 |
11 | 3a1aa8731891 |
12 | 16109892bbb9 |
13 | 8180492bc77 |
14 | 3c2d049cb6d |
15 | 1e2034bca66 |
hex | 104c6745efd |
1120021012221 has 16 divisors (see below), whose sum is σ = 1500210211968. Its totient is φ = 743262968000.
The previous prime is 1120021012211. The next prime is 1120021012259. The reversal of 1120021012221 is 1222101200211.
It is a cyclic number.
It is not a de Polignac number, because 1120021012221 - 27 = 1120021012093 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1120021012221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1120021012211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173385 + ... + 1506686.
It is an arithmetic number, because the mean of its divisors is an integer number (93763138248).
Almost surely, 21120021012221 is an apocalyptic number.
It is an amenable number.
1120021012221 is a deficient number, since it is larger than the sum of its proper divisors (380189199747).
1120021012221 is a wasteful number, since it uses less digits than its factorization.
1120021012221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1681092.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 1120021012221 its reverse (1222101200211), we get a palindrome (2342122212432).
The spelling of 1120021012221 in words is "one trillion, one hundred twenty billion, twenty-one million, twelve thousand, two hundred twenty-one".
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