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10111330221 = 33370443407
BaseRepresentation
bin10010110101010111…
…01010011110101101
3222002200020210110220
421122223222132231
5131202000031341
64351200521553
7505365613566
oct113253523655
928080223426
1010111330221
114319645063
121b623202b9
13c51a9a145
146bcc6316d
153e2a4ea66
hex25aaea7ad

10111330221 has 4 divisors (see below), whose sum is σ = 13481773632. Its totient is φ = 6740886812.

The previous prime is 10111330199. The next prime is 10111330223. The reversal of 10111330221 is 12203311101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10111330221 - 26 = 10111330157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10111330221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111330223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1685221701 + ... + 1685221706.

It is an arithmetic number, because the mean of its divisors is an integer number (3370443408).

Almost surely, 210111330221 is an apocalyptic number.

It is an amenable number.

10111330221 is a deficient number, since it is larger than the sum of its proper divisors (3370443411).

10111330221 is an equidigital number, since it uses as much as digits as its factorization.

10111330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370443410.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10111330221 its reverse (12203311101), we get a palindrome (22314641322).

The spelling of 10111330221 in words is "ten billion, one hundred eleven million, three hundred thirty thousand, two hundred twenty-one".

Divisors: 1 3 3370443407 10111330221