Search a number
-
+
120000122222111 = 155390019858373
BaseRepresentation
bin11011010010001110110100…
…101010000111011000011111
3120201212220021211202120011022
4123102032310222013120133
5111212040222242101421
61103115143424314355
734163502616101635
oct3322166452073037
9521786254676138
10120000122222111
113526584766351a
12115609b21729bb
1351c5c69851151
14218c0733a7355
15dd172a2497ab
hex6d23b4a8761f

120000122222111 has 8 divisors (see below), whose sum is σ = 120078865903920. Its totient is φ = 119921380440192.

The previous prime is 120000122222089. The next prime is 120000122222143. The reversal of 120000122222111 is 111222221000021.

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

It is a cyclic number.

It is not a de Polignac number, because 120000122222111 - 226 = 120000055113247 is a prime.

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 120000122222111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000122222191) 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, 139370321 + ... + 140228693.

It is an arithmetic number, because the mean of its divisors is an integer number (15009858237990).

Almost surely, 2120000122222111 is an apocalyptic number.

120000122222111 is a deficient number, since it is larger than the sum of its proper divisors (78743681809).

120000122222111 is an equidigital number, since it uses as much as digits as its factorization.

120000122222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949945.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120000122222111 its reverse (111222221000021), we get a palindrome (231222343222132).

The spelling of 120000122222111 in words is "one hundred twenty trillion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred eleven".

Divisors: 1 1553 90019 858373 139799507 1333053269 77269879087 120000122222111