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121003233221311 = 7237116136562637
BaseRepresentation
bin11011100000110101000010…
…101110111001101010111111
3120212102210111101002010020221
4123200311002232321222333
5111330004110201040221
61105204041250322211
734326123630646330
oct3340650256715277
9525383441063227
10121003233221311
1135612201673131
12116a32a1b89367
13526972c4c62cc
1421c4832a6c287
15dec889b7d541
hex6e0d42bb9abf

121003233221311 has 32 divisors (see below), whose sum is σ = 146425159047168. Its totient is φ = 97749675703680.

The previous prime is 121003233221309. The next prime is 121003233221333. The reversal of 121003233221311 is 113122332300121.

It is not a de Polignac number, because 121003233221311 - 21 = 121003233221309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121003233221341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15156885 + ... + 21719521.

It is an arithmetic number, because the mean of its divisors is an integer number (4575786220224).

Almost surely, 2121003233221311 is an apocalyptic number.

121003233221311 is a deficient number, since it is larger than the sum of its proper divisors (25421925825857).

121003233221311 is a wasteful number, since it uses less digits than its factorization.

121003233221311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6564351.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 121003233221311 its reverse (113122332300121), we get a palindrome (234125565521432).

The spelling of 121003233221311 in words is "one hundred twenty-one trillion, three billion, two hundred thirty-three million, two hundred twenty-one thousand, three hundred eleven".

Divisors: 1 7 23 71 161 497 1613 1633 11291 11431 37099 114523 259693 801661 2634029 6562637 18438203 45938459 150940651 465947227 1056584557 3261630589 10585533481 10716786221 74098734367 75017503547 243467270063 751572877151 1704270890441 5261010140057 17286176174473 121003233221311