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122122231311 = 3226717956511
BaseRepresentation
bin111000110111100001…
…1010101111000001111
3102200012220112010120010
41301233003111320033
54000101242400221
6132034023124303
711552205560463
oct1615703257017
9380186463503
10122122231311
11478788a79a3
121b8025a3693
13b692a8a142
145ca713c4a3
15329b45ec76
hex1c6f0d5e0f

122122231311 has 8 divisors (see below), whose sum is σ = 162901476864. Its totient is φ = 81378903320.

The previous prime is 122122231219. The next prime is 122122231351. The reversal of 122122231311 is 113132221221.

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 122122231311 - 211 = 122122229263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122122231351) 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, 8971455 + ... + 8985056.

It is an arithmetic number, because the mean of its divisors is an integer number (20362684608).

Almost surely, 2122122231311 is an apocalyptic number.

122122231311 is a deficient number, since it is larger than the sum of its proper divisors (40779245553).

122122231311 is a wasteful number, since it uses less digits than its factorization.

122122231311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17958781.

The product of its digits is 288, while the sum is 21.

Adding to 122122231311 its reverse (113132221221), we get a palindrome (235254452532).

The spelling of 122122231311 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred thirty-one thousand, three hundred eleven".

Divisors: 1 3 2267 6801 17956511 53869533 40707410437 122122231311