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13221122101 = 118211463971
BaseRepresentation
bin11000101000000101…
…00101000000110101
31021010101212120221221
430110002211000311
5204034101401401
610023530310341
7645426453325
oct142402450065
937111776857
1013221122101
115674a847a0
12268b8883b1
131329143095
148d5c89285
15525a7e7a1
hex3140a5035

13221122101 has 8 divisors (see below), whose sum is σ = 14440619808. Its totient is φ = 12004554000.

The previous prime is 13221122063. The next prime is 13221122119. The reversal of 13221122101 is 10122112231.

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 13221122101 - 213 = 13221113909 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 (13221122171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722955 + ... + 741016.

It is an arithmetic number, because the mean of its divisors is an integer number (1805077476).

Almost surely, 213221122101 is an apocalyptic number.

13221122101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13221122101 is a deficient number, since it is larger than the sum of its proper divisors (1219497707).

13221122101 is a wasteful number, since it uses less digits than its factorization.

13221122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464803.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 13221122101 its reverse (10122112231), we get a palindrome (23343234332).

The spelling of 13221122101 in words is "thirteen billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred one".

Divisors: 1 11 821 9031 1463971 16103681 1201920191 13221122101