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2220113230221 = 3740037743407
BaseRepresentation
bin100000010011101001000…
…011110111100110001101
321212020111111201111101010
4200103221003313212031
5242333242441331341
64415523403235433
7316253322043155
oct40235103674615
97766444644333
102220113230221
117865aa0495a7
122ba333518b79
131314818548b3
147964dccd765
153cb3c0d7716
hex204e90f798d

2220113230221 has 4 divisors (see below), whose sum is σ = 2960150973632. Its totient is φ = 1480075486812.

The previous prime is 2220113230217. The next prime is 2220113230261. The reversal of 2220113230221 is 1220323110222.

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 not a de Polignac number, because 2220113230221 - 22 = 2220113230217 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 (2220113230201) 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, 370018871701 + ... + 370018871706.

It is an arithmetic number, because the mean of its divisors is an integer number (740037743408).

Almost surely, 22220113230221 is an apocalyptic number.

It is an amenable number.

2220113230221 is a deficient number, since it is larger than the sum of its proper divisors (740037743411).

2220113230221 is an equidigital number, since it uses as much as digits as its factorization.

2220113230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740037743410.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2220113230221 its reverse (1220323110222), we get a palindrome (3440436340443).

The spelling of 2220113230221 in words is "two trillion, two hundred twenty billion, one hundred thirteen million, two hundred thirty thousand, two hundred twenty-one".

Divisors: 1 3 740037743407 2220113230221