Search a number
-
+
20102201101101 = 374268322426907
BaseRepresentation
bin1001001001000011010001…
…00011100100101100101101
32122011202021221212100222110
410210201220203210230231
510113323301440213401
6110430453530234233
74143223166033520
oct444415043445455
978152257770873
1020102201101101
116450328504a59
122307b36585979
13b2a824b1c062
144d6d47764bb7
1524cd874589d6
hex1248688e4b2d

20102201101101 has 16 divisors (see below), whose sum is σ = 30632644514304. Its totient is φ = 11486702422704.

The previous prime is 20102201101069. The next prime is 20102201101133. The reversal of 20102201101101 is 10110110220102.

It is an interprime number because it is at equal distance from previous prime (20102201101069) and next prime (20102201101133).

It is not a de Polignac number, because 20102201101101 - 25 = 20102201101069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102201101201) 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 15 ways as a sum of consecutive naturals, for example, 10317111 + ... + 12109796.

It is an arithmetic number, because the mean of its divisors is an integer number (1914540282144).

Almost surely, 220102201101101 is an apocalyptic number.

20102201101101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20102201101101 is a deficient number, since it is larger than the sum of its proper divisors (10530443413203).

20102201101101 is a wasteful number, since it uses less digits than its factorization.

20102201101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22469600.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20102201101101 its reverse (10110110220102), we get a palindrome (30212311321203).

The spelling of 20102201101101 in words is "twenty trillion, one hundred two billion, two hundred one million, one hundred one thousand, one hundred one".

Divisors: 1 3 7 21 42683 128049 298781 896343 22426907 67280721 156988349 470965047 957247671481 2871743014443 6700733700367 20102201101101