Search a number
-
+
120001110002221 = 722414976480447
BaseRepresentation
bin11011010010001111101111…
…100010001100101000101101
3120201212222211200102222201211
4123102033233202030220231
5111212044233130032341
61103115425432034421
734163536242066220
oct3322175742145055
9521788750388654
10120001110002221
11352662041a0318
1211561028b32a11
1351c60963a0216
14218c1286535b7
15dd1786d15181
hex6d23ef88ca2d

120001110002221 has 8 divisors (see below), whose sum is σ = 137144739353600. Its totient is φ = 102857634060048.

The previous prime is 120001110002219. The next prime is 120001110002273. The reversal of 120001110002221 is 122200011100021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120001110002221 - 21 = 120001110002219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001110002201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36671181 + ... + 39809266.

It is an arithmetic number, because the mean of its divisors is an integer number (17143092419200).

Almost surely, 2120001110002221 is an apocalyptic number.

It is an amenable number.

120001110002221 is a deficient number, since it is larger than the sum of its proper divisors (17143629351379).

120001110002221 is an equidigital number, since it uses as much as digits as its factorization.

120001110002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76704603.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120001110002221 its reverse (122200011100021), we get a palindrome (242201121102242).

The spelling of 120001110002221 in words is "one hundred twenty trillion, one billion, one hundred ten million, two thousand, two hundred twenty-one".

Divisors: 1 7 224149 1569043 76480447 535363129 17143015714603 120001110002221