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221102201201 = 7311018904153
BaseRepresentation
bin1100110111101010110…
…1111101100101110001
3210010200222210120112212
43031322231331211301
512110304130414301
6245323431301505
721655055462330
oct3157255754561
9703628716485
10221102201201
1185850479302
1236a2681a895
1317b0816866b
14a9b6919d17
155b40d5d4bb
hex337ab7d971

221102201201 has 8 divisors (see below), whose sum is σ = 260839463424. Its totient is φ = 183402747360.

The previous prime is 221102201197. The next prime is 221102201207. The reversal of 221102201201 is 102102201122.

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

It is not a de Polignac number, because 221102201201 - 22 = 221102201197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221102201207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509451860 + ... + 509452293.

It is an arithmetic number, because the mean of its divisors is an integer number (32604932928).

Almost surely, 2221102201201 is an apocalyptic number.

It is an amenable number.

221102201201 is a deficient number, since it is larger than the sum of its proper divisors (39737262223).

221102201201 is a wasteful number, since it uses less digits than its factorization.

221102201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018904191.

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

Adding to 221102201201 its reverse (102102201122), we get a palindrome (323204402323).

The spelling of 221102201201 in words is "two hundred twenty-one billion, one hundred two million, two hundred one thousand, two hundred one".

Divisors: 1 7 31 217 1018904153 7132329071 31586028743 221102201201