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20101202101201 = 1343212916890191
BaseRepresentation
bin1001001001000001011010…
…00000101100001111010001
32122011122201100001220202011
410210200231000230033101
510113314230214214301
6110430210442222521
74143156345466414
oct444405500541721
978148640056664
1020101202101201
11644a965604601
1223078b7ab4a41
13b2a6c5b72160
144d6c90bd7b7b
1524cd298c3a51
hex12482d02c3d1

20101202101201 has 16 divisors (see below), whose sum is σ = 22161283119360. Its totient is φ = 18114931457280.

The previous prime is 20101202101199. The next prime is 20101202101207. The reversal of 20101202101201 is 10210120210102.

It is a cyclic number.

It is not a de Polignac number, because 20101202101201 - 21 = 20101202101199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20101202101207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7254985 + ... + 9635206.

It is an arithmetic number, because the mean of its divisors is an integer number (1385080194960).

Almost surely, 220101202101201 is an apocalyptic number.

It is an amenable number.

20101202101201 is a deficient number, since it is larger than the sum of its proper divisors (2060081018159).

20101202101201 is a wasteful number, since it uses less digits than its factorization.

20101202101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16892376.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20101202101201 its reverse (10210120210102), we get a palindrome (30311322311303).

The spelling of 20101202101201 in words is "twenty trillion, one hundred one billion, two hundred two million, one hundred one thousand, two hundred one".

Divisors: 1 13 43 559 2129 27677 91547 1190111 16890191 219572483 726278213 9441616769 35959216639 467469816307 1546246315477 20101202101201