Base | Representation |
---|---|
bin | 111000010110011000… |
… | …0100110001100000010 |
3 | 102120100101201000000011 |
4 | 1300230300212030002 |
5 | 3440312031133442 |
6 | 131331412415134 |
7 | 11512512131254 |
oct | 1605460461402 |
9 | 376311630004 |
10 | 121010021122 |
11 | 47358002a21 |
12 | 1b5520174aa |
13 | b5465228c3 |
14 | 5bdd541cd4 |
15 | 32339b6117 |
hex | 1c2cc26302 |
121010021122 has 16 divisors (see below), whose sum is σ = 183294850752. Its totient is φ = 59911850160.
The previous prime is 121010021087. The next prime is 121010021123. The reversal of 121010021122 is 221120010121.
It is a super-2 number, since 2×1210100211222 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (121010021123) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2837497 + ... + 2879827.
It is an arithmetic number, because the mean of its divisors is an integer number (11455928172).
Almost surely, 2121010021122 is an apocalyptic number.
121010021122 is a deficient number, since it is larger than the sum of its proper divisors (62284829630).
121010021122 is a wasteful number, since it uses less digits than its factorization.
121010021122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56313.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 121010021122 its reverse (221120010121), we get a palindrome (342130031243).
The spelling of 121010021122 in words is "one hundred twenty-one billion, ten million, twenty-one thousand, one hundred twenty-two".
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