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122222102200121 = 72111911934586681
BaseRepresentation
bin11011110010100100001100…
…111111000011111100111001
3121000202022121110002200002102
4123302210030333003330321
5112004441331130400441
61111540020354513145
734513153426222400
oct3362441477037471
9530668543080072
10122222102200121
1135a42114406290
121185b5668957b5
135327658066221
14222781d186637
15e1e42617269b
hex6f290cfc3f39

122222102200121 has 24 divisors (see below), whose sum is σ = 163265145809760. Its totient is φ = 90225475300800.

The previous prime is 122222102200013. The next prime is 122222102200189. The reversal of 122222102200121 is 121002201222221.

It is not a de Polignac number, because 122222102200121 - 230 = 122221028458297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122222102200093 and 122222102200102.

It is not an unprimeable number, because it can be changed into a prime (122222102200321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5967283100 + ... + 5967303581.

It is an arithmetic number, because the mean of its divisors is an integer number (6802714408740).

Almost surely, 2122222102200121 is an apocalyptic number.

122222102200121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122222102200121 is a deficient number, since it is larger than the sum of its proper divisors (41043043609639).

122222102200121 is a wasteful number, since it uses less digits than its factorization.

122222102200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11934586725 (or 11934586718 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122222102200121 its reverse (121002201222221), we get a palindrome (243224303422342).

The spelling of 122222102200121 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, one hundred two million, two hundred thousand, one hundred twenty-one".

Divisors: 1 7 11 19 49 77 133 209 539 931 1463 10241 11934586681 83542106767 131280453491 226757146939 584794747369 918963174437 1587300028573 2494328616329 6432742221059 11111100200011 17460300314303 122222102200121