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20122011220103 = 134853931888729
BaseRepresentation
bin1001001001101000001010…
…10101001011100010000111
32122020122102120002200110122
410210310011111023202013
510114134334333020403
6110443531354012155
74144524124206512
oct444640525134207
978218376080418
1020122011220103
116458773832631
12230b944a1705b
13b2c661073470
144d7ca673dd79
1524d6466b8838
hex124d0554b887

20122011220103 has 8 divisors (see below), whose sum is σ = 21670305358800. Its totient is φ = 18573780955968.

The previous prime is 20122011220097. The next prime is 20122011220183. The reversal of 20122011220103 is 30102211022102.

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-20122011220103 is a prime.

It is a super-2 number, since 2×201220112201032 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122011220183) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15313358 + ... + 16575371.

It is an arithmetic number, because the mean of its divisors is an integer number (2708788169850).

Almost surely, 220122011220103 is an apocalyptic number.

20122011220103 is a deficient number, since it is larger than the sum of its proper divisors (1548294138697).

20122011220103 is a wasteful number, since it uses less digits than its factorization.

20122011220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31937281.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20122011220103 its reverse (30102211022102), we get a palindrome (50224222242205).

The spelling of 20122011220103 in words is "twenty trillion, one hundred twenty-two billion, eleven million, two hundred twenty thousand, one hundred three".

Divisors: 1 13 48539 631007 31888729 414553477 1547847016931 20122011220103