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121321312201122 = 231119511946348409
BaseRepresentation
bin11011100101011101010001…
…101101111010100110100010
3120220120012111211210110221220
4123211131101231322212202
5111400212021410413442
61110010124050555510
734361114133450645
oct3345352155724642
9526505454713856
10121321312201122
1135725096996560
1211734a71b98b96
135290720a193b7
1421d5da8cb9a5c
15e05ca45e6eec
hex6e5751b7a9a2

121321312201122 has 64 divisors (see below), whose sum is σ = 264855797637120. Its totient is φ = 36742543344000.

The previous prime is 121321312201069. The next prime is 121321312201139. The reversal of 121321312201122 is 221102213123121.

It is a super-2 number, since 2×1213213122011222 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121321312201092 and 121321312201101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2506148454 + ... + 2506196862.

It is an arithmetic number, because the mean of its divisors is an integer number (4138371838080).

Almost surely, 2121321312201122 is an apocalyptic number.

121321312201122 is an abundant number, since it is smaller than the sum of its proper divisors (143534485435998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121321312201122 is a wasteful number, since it uses less digits than its factorization.

121321312201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69839.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 121321312201122 its reverse (221102213123121), we get a palindrome (342423525324243).

The spelling of 121321312201122 in words is "one hundred twenty-one trillion, three hundred twenty-one billion, three hundred twelve million, two hundred one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 11 22 33 66 1951 3902 5853 11706 19463 21461 38926 42922 48409 58389 64383 96818 116778 128766 145227 214093 290454 428186 532499 642279 1064998 1284558 1597497 3194994 37972313 75944626 94445959 113916939 188891918 227833878 283337877 417695443 566675754 835390886 942184367 1038905549 1253086329 1884368734 2077811098 2506172658 2826553101 3116716647 5653106202 6233433294 10364028037 20728056074 31092084111 62184168222 1838201700017 3676403400034 5514605100051 11029210200102 20220218700187 40440437400374 60660656100561 121321312201122