Search a number
-
+
20122212120101 = 713221123210111
BaseRepresentation
bin1001001001101000100010…
…10011100011011000100101
32122020122221120010110110022
410210310101103203120211
510114140242300320401
6110444003332004525
74144532113633010
oct444642123433045
978218846113408
1020122212120101
11645886717a793
12230b9a0160745
13b2c6938842c0
144d7cc52b8377
1524d65914e71b
hex124d114e3625

20122212120101 has 8 divisors (see below), whose sum is σ = 24765799532544. Its totient is φ = 15920871127920.

The previous prime is 20122212120061. The next prime is 20122212120151. The reversal of 20122212120101 is 10102121222102.

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

It is a cyclic number.

It is not a de Polignac number, because 20122212120101 - 210 = 20122212119077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20122212120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122212120151) 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, 110561604965 + ... + 110561605146.

It is an arithmetic number, because the mean of its divisors is an integer number (3095724941568).

Almost surely, 220122212120101 is an apocalyptic number.

It is an amenable number.

20122212120101 is a deficient number, since it is larger than the sum of its proper divisors (4643587412443).

20122212120101 is a wasteful number, since it uses less digits than its factorization.

20122212120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221123210131.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20122212120101 its reverse (10102121222102), we get a palindrome (30224333342203).

The spelling of 20122212120101 in words is "twenty trillion, one hundred twenty-two billion, two hundred twelve million, one hundred twenty thousand, one hundred one".

Divisors: 1 7 13 91 221123210111 1547862470777 2874601731443 20122212120101