Base | Representation |
---|---|
bin | 11011010101011100100111… |
… | …111110001111111111101001 |
3 | 120202200000200011211120002122 |
4 | 123111130213332033333221 |
5 | 111224200303123242301 |
6 | 1103404451101441025 |
7 | 34215454636033622 |
oct | 3325344776177751 |
9 | 522600604746078 |
10 | 120221100212201 |
11 | 35340533a0410a |
12 | 115977a3270175 |
13 | 5210a55049bc1 |
14 | 2198a375cca49 |
15 | dd736021e81b |
hex | 6d5727f8ffe9 |
120221100212201 has 4 divisors (see below), whose sum is σ = 120221531559504. Its totient is φ = 120220668864900.
The previous prime is 120221100212197. The next prime is 120221100212249. The reversal of 120221100212201 is 102212001122021.
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 120221100212201 - 22 = 120221100212197 is a prime.
It is a super-2 number, since 2×1202211002122012 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 120221100212201.
It is not an unprimeable number, because it can be changed into a prime (120221100212701) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215255315 + ... + 215813096.
It is an arithmetic number, because the mean of its divisors is an integer number (30055382889876).
Almost surely, 2120221100212201 is an apocalyptic number.
It is an amenable number.
120221100212201 is a deficient number, since it is larger than the sum of its proper divisors (431347303).
120221100212201 is an equidigital number, since it uses as much as digits as its factorization.
120221100212201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 431347302.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 120221100212201 its reverse (102212001122021), we get a palindrome (222433101334222).
The spelling of 120221100212201 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred million, two hundred twelve thousand, two hundred one".
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