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121122233331233 = 158981761866093
BaseRepresentation
bin11011100010100011110111…
…101100010010111000100001
3120212212011122200210001102112
4123202203313230102320201
5111333431313213044413
61105334441423525105
734340535566126321
oct3342436754227041
9525764580701375
10121122233331233
113565871807a012
1211702372a59795
135277a154b1534
1421ca4c1295281
15e00a01e752a8
hex6e28f7b12e21

121122233331233 has 4 divisors (see below), whose sum is σ = 121122995356308. Its totient is φ = 121121471306160.

The previous prime is 121122233331179. The next prime is 121122233331257. The reversal of 121122233331233 is 332133332221121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9682477742224 + 111439755589009 = 3111668^2 + 10556503^2 .

It is a cyclic number.

It is not a de Polignac number, because 121122233331233 - 240 = 120022721703457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121122233331233.

It is not an unprimeable number, because it can be changed into a prime (121122233334233) 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, 380774066 + ... + 381092027.

It is an arithmetic number, because the mean of its divisors is an integer number (30280748839077).

Almost surely, 2121122233331233 is an apocalyptic number.

It is an amenable number.

121122233331233 is a deficient number, since it is larger than the sum of its proper divisors (762025075).

121122233331233 is an equidigital number, since it uses as much as digits as its factorization.

121122233331233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762025074.

The product of its digits is 23328, while the sum is 32.

Adding to 121122233331233 its reverse (332133332221121), we get a palindrome (453255565552354).

The spelling of 121122233331233 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred thirty-three million, three hundred thirty-one thousand, two hundred thirty-three".

Divisors: 1 158981 761866093 121122233331233