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221210102201 = 11171182941723
BaseRepresentation
bin1100111000000100100…
…1100100100110111001
3210010222111211111220012
43032001021210212321
512111014241232301
6245342244111305
721660535562444
oct3160111444671
9703874744805
10221210102201
11858a6376990
1236a56995535
1317b246174ca
14a9c6da665b
155b4a573ebb
hex33812649b9

221210102201 has 8 divisors (see below), whose sum is σ = 255515412384. Its totient is φ = 189270675520.

The previous prime is 221210102147. The next prime is 221210102293. The reversal of 221210102201 is 102201012122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-221210102201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221210104201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591470675 + ... + 591471048.

It is an arithmetic number, because the mean of its divisors is an integer number (31939426548).

Almost surely, 2221210102201 is an apocalyptic number.

It is an amenable number.

221210102201 is a deficient number, since it is larger than the sum of its proper divisors (34305310183).

221210102201 is a wasteful number, since it uses less digits than its factorization.

221210102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182941751.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221210102201 its reverse (102201012122), we get a palindrome (323411114323).

The spelling of 221210102201 in words is "two hundred twenty-one billion, two hundred ten million, one hundred two thousand, two hundred one".

Divisors: 1 11 17 187 1182941723 13012358953 20110009291 221210102201