Search a number
-
+
12101000221102 = 21331118112712657
BaseRepresentation
bin1011000000010111101111…
…0100011101000110101110
31120211211210111210221110011
42300011323310131012232
53041230322024033402
641423042303203434
72356161031512352
oct260057364350656
946754714727404
1012101000221102
113946007174911
1214353085a657a
1369a1724b6020
142db997807462
1515eb94d81ed7
hexb017bd1d1ae

12101000221102 has 32 divisors (see below), whose sum is σ = 20195430200064. Its totient is φ = 5400336268800.

The previous prime is 12101000221069. The next prime is 12101000221109. The reversal of 12101000221102 is 20112200010121.

It is a super-2 number, since 2×121010002211022 (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101000221109) 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 15 ways as a sum of consecutive naturals, for example, 5404443 + ... + 7308214.

It is an arithmetic number, because the mean of its divisors is an integer number (631107193752).

Almost surely, 212101000221102 is an apocalyptic number.

12101000221102 is a deficient number, since it is larger than the sum of its proper divisors (8094429978962).

12101000221102 is a wasteful number, since it uses less digits than its factorization.

12101000221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12713884.

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

Adding to 12101000221102 its reverse (20112200010121), we get a palindrome (32213200231223).

The spelling of 12101000221102 in words is "twelve trillion, one hundred one billion, two hundred twenty-one thousand, one hundred two".

Divisors: 1 2 13 26 31 62 403 806 1181 2362 15353 30706 36611 73222 475943 951886 12712657 25425314 165264541 330529082 394092367 788184734 5123200771 10246401542 15013647917 30027295834 195177422921 390354845842 465423085427 930846170854 6050500110551 12101000221102