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121013201110 = 2518793643927
BaseRepresentation
bin111000010110011110…
…0101110100011010110
3102120100121200120010111
41300230330232203112
53440313334413420
6131332004513234
711512551144334
oct1605474564326
9376317616114
10121013201110
114735988510a
121b5530ab81a
13b547097159
145bddb2cb54
153233de345a
hex1c2cf2e8d6

121013201110 has 16 divisors (see below), whose sum is σ = 217835690976. Its totient is φ = 48402629568.

The previous prime is 121013201107. The next prime is 121013201123. The reversal of 121013201110 is 11102310121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134034 + ... + 509893.

It is an arithmetic number, because the mean of its divisors is an integer number (13614730686).

Almost surely, 2121013201110 is an apocalyptic number.

121013201110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121013201110 is a deficient number, since it is larger than the sum of its proper divisors (96822489866).

121013201110 is a wasteful number, since it uses less digits than its factorization.

121013201110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662727.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 121013201110 its reverse (11102310121), we get a palindrome (132115511231).

The spelling of 121013201110 in words is "one hundred twenty-one billion, thirteen million, two hundred one thousand, one hundred ten".

Divisors: 1 2 5 10 18793 37586 93965 187930 643927 1287854 3219635 6439270 12101320111 24202640222 60506600555 121013201110