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102201011011 = 1154679169919
BaseRepresentation
bin101111100101110100…
…1111010101101000011
3100202210120020021202001
41133023221322231003
53133301424323021
6114541150204431
710245431155141
oct1371351725503
9322716207661
10102201011011
113a385896270
1217982ab3717
139839806318
144d374c2591
1529d25a6091
hex17cba7ab43

102201011011 has 8 divisors (see below), whose sum is σ = 111494707200. Its totient is φ = 92907764040.

The previous prime is 102201010979. The next prime is 102201011041. The reversal of 102201011011 is 110110102201.

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 102201011011 - 25 = 102201010979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102201011041) 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, 516510 + ... + 686428.

It is an arithmetic number, because the mean of its divisors is an integer number (13936838400).

Almost surely, 2102201011011 is an apocalyptic number.

102201011011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102201011011 is a deficient number, since it is larger than the sum of its proper divisors (9293696189).

102201011011 is a wasteful number, since it uses less digits than its factorization.

102201011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224609.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 102201011011 its reverse (110110102201), we get a palindrome (212311113212).

The spelling of 102201011011 in words is "one hundred two billion, two hundred one million, eleven thousand, eleven".

Divisors: 1 11 54679 169919 601469 1869109 9291001001 102201011011