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122311121113 = 1923475955067
BaseRepresentation
bin111000111101001001…
…1111001100011011001
3102200201001221201122201
41301322103321203121
54000443121333423
6132104451450201
711556661242556
oct1617223714331
9380631851581
10122311121113
1147965491675
121b8558b6961
13b6c2c5445c
145cc426ba2d
1532acd222ad
hex1c7a4f98d9

122311121113 has 16 divisors (see below), whose sum is σ = 137204766720. Its totient is φ = 108477482256.

The previous prime is 122311121087. The next prime is 122311121171. The reversal of 122311121113 is 311121113221.

It is not a de Polignac number, because 122311121113 - 225 = 122277566681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (122311121213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2956995 + ... + 2998072.

It is an arithmetic number, because the mean of its divisors is an integer number (8575297920).

Almost surely, 2122311121113 is an apocalyptic number.

It is an amenable number.

122311121113 is a deficient number, since it is larger than the sum of its proper divisors (14893645607).

122311121113 is a wasteful number, since it uses less digits than its factorization.

122311121113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5955156.

The product of its digits is 72, while the sum is 19.

Adding to 122311121113 its reverse (311121113221), we get a palindrome (433432234334).

The spelling of 122311121113 in words is "one hundred twenty-two billion, three hundred eleven million, one hundred twenty-one thousand, one hundred thirteen".

Divisors: 1 19 23 47 437 893 1081 20539 5955067 113146273 136966541 279888149 2602364279 5317874831 6437427427 122311121113