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101222101111111 = 6619127431200083
BaseRepresentation
bin10111000000111110011011…
…011000010101000101000111
3111021101201221021011102002221
4113000332123120111011013
5101231410330341023421
6555140442530513211
730215025012164461
oct2700763330250507
9437351837142087
10101222101111111
112a28606324a152
12b429630a35807
1344632844c5096
141add2666bb131
15ba804490c841
hex5c0f9b615147

101222101111111 has 8 divisors (see below), whose sum is σ = 101245422683520. Its totient is φ = 101198781977592.

The previous prime is 101222101111091. The next prime is 101222101111141. The reversal of 101222101111111 is 111111101222101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101222101111111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222101111141) 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, 83745876 + ... + 84945958.

It is an arithmetic number, because the mean of its divisors is an integer number (12655677835440).

Almost surely, 2101222101111111 is an apocalyptic number.

101222101111111 is a deficient number, since it is larger than the sum of its proper divisors (23321572409).

101222101111111 is a wasteful number, since it uses less digits than its factorization.

101222101111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219445.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 101222101111111 its reverse (111111101222101), we get a palindrome (212333202333212).

It can be divided in two parts, 101222101 and 111111, that multiplied together give a palindrome (11246888864211).

The spelling of 101222101111111 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred one million, one hundred eleven thousand, one hundred eleven".

Divisors: 1 6619 12743 1200083 84345917 7943349377 15292657669 101222101111111