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20101202102222 = 2307121742296361
BaseRepresentation
bin1001001001000001011010…
…00000101100011111001110
32122011122201100001222010222
410210200231000230133032
510113314230214232342
6110430210442231342
74143156345502403
oct444405500543716
978148640058128
1020101202102222
11644a96560534a
1223078b7ab5552
13b2a6c5b72767
144d6c90bd82aa
1524cd298c3ed2
hex12482d02c7ce

20101202102222 has 32 divisors (see below), whose sum is σ = 30286793164320. Its totient is φ = 10005691207680.

The previous prime is 20101202102209. The next prime is 20101202102269. The reversal of 20101202102222 is 22220120210102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20101202102222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3160066322 + ... + 3160072682.

It is an arithmetic number, because the mean of its divisors is an integer number (946462286385).

Almost surely, 220101202102222 is an apocalyptic number.

20101202102222 is a deficient number, since it is larger than the sum of its proper divisors (10185591062098).

20101202102222 is a wasteful number, since it uses less digits than its factorization.

20101202102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12116.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20101202102222 its reverse (22220120210102), we get a palindrome (42321322312324).

The spelling of 20101202102222 in words is "twenty trillion, one hundred one billion, two hundred two million, one hundred two thousand, two hundred twenty-two".

Divisors: 1 2 307 614 1217 2434 4229 6361 8458 12722 373619 747238 1298303 1952827 2596606 3905654 5146693 7741337 10293386 15482674 26900669 53801338 1580034751 2376590459 3160069502 4753180918 8258505383 16517010766 32738114173 65476228346 10050601051111 20101202102222