Search a number
-
+
221202210102211 = 13103165199559449
BaseRepresentation
bin110010010010111010100111…
…001010000001101111000011
31002000012201120100111111111001
4302102322213022001233003
5212443134111241232321
62102242520434232431
764410221655525232
oct6222724712015703
91060181510444431
10221202210102211
116453336a966a28
1220986578725717
1396573819b81b0
143c8a35bb16b19
151a88e9cb75c91
hexc92ea7281bc3

221202210102211 has 8 divisors (see below), whose sum is σ = 240530558559200. Its totient is φ = 202204260764352.

The previous prime is 221202210102161. The next prime is 221202210102271. The reversal of 221202210102211 is 112201012202122.

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 221202210102211 - 241 = 219003186846659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221202210102271) 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 7 ways as a sum of consecutive naturals, for example, 82599778386 + ... + 82599781063.

It is an arithmetic number, because the mean of its divisors is an integer number (30066319819900).

Almost surely, 2221202210102211 is an apocalyptic number.

221202210102211 is a deficient number, since it is larger than the sum of its proper divisors (19328348456989).

221202210102211 is a wasteful number, since it uses less digits than its factorization.

221202210102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165199559565.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221202210102211 its reverse (112201012202122), we get a palindrome (333403222304333).

The spelling of 221202210102211 in words is "two hundred twenty-one trillion, two hundred two billion, two hundred ten million, one hundred two thousand, two hundred eleven".

Divisors: 1 13 103 1339 165199559449 2147594272837 17015554623247 221202210102211