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122144211011 = 1277265735999
BaseRepresentation
bin111000111000001011…
…1001100000001000011
3102200021102212211001002
41301300113030001003
54000122404223021
6132040130202215
711552563443314
oct1616027140103
9380242784032
10122144211011
114788a24a639
121b809a2336b
13b6974b4694
145caa02060b
15329d35250b
hex1c705cc043

122144211011 has 8 divisors (see below), whose sum is σ = 122289264000. Its totient is φ = 121999237888.

The previous prime is 122144211001. The next prime is 122144211023. The reversal of 122144211011 is 110112441221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122144211011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122144211001) 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, 3374990 + ... + 3410988.

It is an arithmetic number, because the mean of its divisors is an integer number (15286158000).

Almost surely, 2122144211011 is an apocalyptic number.

122144211011 is a deficient number, since it is larger than the sum of its proper divisors (145052989).

122144211011 is a wasteful number, since it uses less digits than its factorization.

122144211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39933.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122144211011 its reverse (110112441221), we get a palindrome (232256652232).

The spelling of 122144211011 in words is "one hundred twenty-two billion, one hundred forty-four million, two hundred eleven thousand, eleven".

Divisors: 1 1277 2657 35999 3392989 45970723 95649343 122144211011