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122111101009 = 2917592393819
BaseRepresentation
bin111000110111001100…
…0111000100001010001
3102200012010120122122201
41301232120320201101
54000040420213014
6132032544403201
711552012142562
oct1615630704121
9380163518581
10122111101009
11478725955a7
121b7ba916501
13b690690c71
145ca5882169
15329a4b1e74
hex1c6e638851

122111101009 has 8 divisors (see below), whose sum is σ = 126393696000. Its totient is φ = 117833297232.

The previous prime is 122111100989. The next prime is 122111101037. The reversal of 122111101009 is 900101111221.

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 122111101009 - 215 = 122111068241 is a prime.

It is a super-2 number, since 2×1221111010092 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122111101109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1145899 + ... + 1247920.

It is an arithmetic number, because the mean of its divisors is an integer number (15799212000).

Almost surely, 2122111101009 is an apocalyptic number.

It is an amenable number.

122111101009 is a deficient number, since it is larger than the sum of its proper divisors (4282594991).

122111101009 is a wasteful number, since it uses less digits than its factorization.

122111101009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395607.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 122111101009 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred one thousand, nine".

Divisors: 1 29 1759 51011 2393819 69420751 4210727621 122111101009