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103110011221 = 7233377916729
BaseRepresentation
bin110000000000111010…
…1011110100101010101
3100212010220200021121111
41200001311132211111
53142132130324341
6115211301215021
710310106430420
oct1400165364525
9325126607544
10103110011221
113a801a05608
1217b97401471
139952c31479
144dc21029b7
152a372ae681
hex1801d5e955

103110011221 has 16 divisors (see below), whose sum is σ = 118384156800. Its totient is φ = 87972150528.

The previous prime is 103110011219. The next prime is 103110011261. The reversal of 103110011221 is 122110011301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 103110011221 - 21 = 103110011219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103110011261) 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 15 ways as a sum of consecutive naturals, for example, 6155185 + ... + 6171913.

It is an arithmetic number, because the mean of its divisors is an integer number (7399009800).

Almost surely, 2103110011221 is an apocalyptic number.

It is an amenable number.

103110011221 is a deficient number, since it is larger than the sum of its proper divisors (15274145579).

103110011221 is a wasteful number, since it uses less digits than its factorization.

103110011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20748.

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

Adding to 103110011221 its reverse (122110011301), we get a palindrome (225220022522).

The spelling of 103110011221 in words is "one hundred three billion, one hundred ten million, eleven thousand, two hundred twenty-one".

Divisors: 1 7 233 1631 3779 16729 26453 117103 880507 3897857 6163549 27284999 63218891 442532237 14730001603 103110011221