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12221011210101 = 337110099200091
BaseRepresentation
bin1011000111010110110100…
…0010000010111101110101
31121021022120021122212000120
42301311231002002331311
53100212112332210401
641554131031202153
72400640023213561
oct261655502027565
947238507585016
1012221011210101
1139919a1255151
12145461bb16359
136a8589a4a155
143037003b06a1
15162d6aca8836
hexb1d6d082f75

12221011210101 has 8 divisors (see below), whose sum is σ = 16735078413984. Its totient is φ = 7927142406480.

The previous prime is 12221011210007. The next prime is 12221011210117. The reversal of 12221011210101 is 10101211012221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12221011210101 - 226 = 12220944101237 is a prime.

It is a super-2 number, since 2×122210112101012 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221011210141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55049599935 + ... + 55049600156.

It is an arithmetic number, because the mean of its divisors is an integer number (2091884801748).

Almost surely, 212221011210101 is an apocalyptic number.

It is an amenable number.

12221011210101 is a deficient number, since it is larger than the sum of its proper divisors (4514067203883).

12221011210101 is a wasteful number, since it uses less digits than its factorization.

12221011210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110099200131.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12221011210101 its reverse (10101211012221), we get a palindrome (22322222222322).

The spelling of 12221011210101 in words is "twelve trillion, two hundred twenty-one billion, eleven million, two hundred ten thousand, one hundred one".

Divisors: 1 3 37 111 110099200091 330297600273 4073670403367 12221011210101