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2113221000222 = 2323131871188307
BaseRepresentation
bin11110110000000101110…
…010010111110000011110
321111000121000010120222200
4132300011302113300132
5234110334034001342
64254444511552330
7305450405061513
oct36600562276036
97430530116880
102113221000222
11745237188052
122a168152b6a6
13124378173567
14743cd76730a
1539e82c7094c
hex1ec05c97c1e

2113221000222 has 48 divisors (see below), whose sum is σ = 4727830728192. Its totient is φ = 681469724880.

The previous prime is 2113221000193. The next prime is 2113221000223. The reversal of 2113221000222 is 2220001223112.

2113221000222 is a `hidden beast` number, since 21 + 1 + 322 + 100 + 0 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2113221000195 and 2113221000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113221000223) 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, 1184193 + ... + 2372499.

It is an arithmetic number, because the mean of its divisors is an integer number (98496473504).

Almost surely, 22113221000222 is an apocalyptic number.

2113221000222 is an abundant number, since it is smaller than the sum of its proper divisors (2614609727970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2113221000222 is a wasteful number, since it uses less digits than its factorization.

2113221000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191533 (or 1191530 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2113221000222 its reverse (2220001223112), we get a palindrome (4333222223334).

The spelling of 2113221000222 in words is "two trillion, one hundred thirteen billion, two hundred twenty-one million, two hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 3187 6374 9561 19122 28683 57366 98797 197594 296391 592782 889173 1188307 1778346 2376614 3564921 7129842 10694763 21389526 36837517 73675034 110512551 221025102 331537653 663075306 3787134409 7574268818 11361403227 22722806454 34084209681 68168419362 117401166679 234802333358 352203500037 704407000074 1056610500111 2113221000222