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122210200121 = 10713126333151
BaseRepresentation
bin111000111010001001…
…0111010101000111001
3102200110001001102002012
41301310102322220321
54000241302400441
6132050444415305
711554324363352
oct1616422725071
9380401042065
10122210200121
1147913521199
121b827b47535
13b6a807a6a9
145cb4abad29
1532a40399eb
hex1c744baa39

122210200121 has 16 divisors (see below), whose sum is σ = 124770336768. Its totient is φ = 119683434000.

The previous prime is 122210200093. The next prime is 122210200153. The reversal of 122210200121 is 121002012221.

It is a de Polignac number, because none of the positive numbers 2k-122210200121 is a prime.

It is a super-2 number, since 2×1222102001212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122210200096 and 122210200105.

It is not an unprimeable number, because it can be changed into a prime (122210290121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3669896 + ... + 3703046.

It is an arithmetic number, because the mean of its divisors is an integer number (7798146048).

Almost surely, 2122210200121 is an apocalyptic number.

It is an amenable number.

122210200121 is a deficient number, since it is larger than the sum of its proper divisors (2560136647).

122210200121 is a wasteful number, since it uses less digits than its factorization.

122210200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33652.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122210200121 its reverse (121002012221), we get a palindrome (243212212342).

The spelling of 122210200121 in words is "one hundred twenty-two billion, two hundred ten million, two hundred thousand, one hundred twenty-one".

Divisors: 1 107 131 263 14017 28141 33151 34453 3547157 3686471 4342781 8718713 464677567 932902291 1142151403 122210200121