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2122130221113 = 37229441283057
BaseRepresentation
bin11110111000011000110…
…100010110100000111001
321111212120220101220110210
4132320120310112200321
5234232110314033423
64302520531301333
7306214236153450
oct36703064264071
97455526356423
102122130221113
11748a99205621
122a334914a849
13125167b8b0b6
14749d6aabb97
153a304eb9b93
hex1ee18d16839

2122130221113 has 16 divisors (see below), whose sum is σ = 3247843306880. Its totient is φ = 1207350441216.

The previous prime is 2122130221091. The next prime is 2122130221129. The reversal of 2122130221113 is 3111220312212.

It is not a de Polignac number, because 2122130221113 - 216 = 2122130155577 is a prime.

It is a super-2 number, since 2×21221302211132 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122130221113.

It is not an unprimeable number, because it can be changed into a prime (2122130221153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220636720 + ... + 220646337.

It is an arithmetic number, because the mean of its divisors is an integer number (202990206680).

Almost surely, 22122130221113 is an apocalyptic number.

It is an amenable number.

2122130221113 is a deficient number, since it is larger than the sum of its proper divisors (1125713085767).

2122130221113 is a wasteful number, since it uses less digits than its factorization.

2122130221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441283296.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2122130221113 its reverse (3111220312212), we get a palindrome (5233350533325).

The spelling of 2122130221113 in words is "two trillion, one hundred twenty-two billion, one hundred thirty million, two hundred twenty-one thousand, one hundred thirteen".

Divisors: 1 3 7 21 229 687 1603 4809 441283057 1323849171 3088981399 9266944197 101053820053 303161460159 707376740371 2122130221113