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2202102000221 = 2395743565227
BaseRepresentation
bin100000000010110111100…
…000011110101001011101
321210112000021102012200112
4200002313200132221131
5242034401103001341
64403344240135405
7315045066106424
oct40026740365135
97715007365615
102202102000221
117799a7196952
122b6947607565
1312c8711c1956
1478821bbc2bb
153c435c61aeb
hex200b781ea5d

2202102000221 has 4 divisors (see below), whose sum is σ = 2297845565472. Its totient is φ = 2106358434972.

The previous prime is 2202102000193. The next prime is 2202102000229. The reversal of 2202102000221 is 1220002012022.

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 2202102000221 - 26 = 2202102000157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202102000196 and 2202102000205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202102000229) 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 3 ways as a sum of consecutive naturals, for example, 47871782591 + ... + 47871782636.

It is an arithmetic number, because the mean of its divisors is an integer number (574461391368).

Almost surely, 22202102000221 is an apocalyptic number.

It is an amenable number.

2202102000221 is a deficient number, since it is larger than the sum of its proper divisors (95743565251).

2202102000221 is an equidigital number, since it uses as much as digits as its factorization.

2202102000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95743565250.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2202102000221 its reverse (1220002012022), we get a palindrome (3422104012243).

The spelling of 2202102000221 in words is "two trillion, two hundred two billion, one hundred two million, two hundred twenty-one", and thus it is an aban number.

Divisors: 1 23 95743565227 2202102000221