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1110111102121 = 7158587300303
BaseRepresentation
bin10000001001110111110…
…001110010010010101001
310221010101112212222022111
4100021313301302102221
5121142001420231441
62205551125322321
7143126405451250
oct20116761622251
93833345788274
101110111102121
1139888285a73a
1215b191b663a1
13808b57c5638
143ba302ab797
151dd234a8081
hex10277c724a9

1110111102121 has 4 divisors (see below), whose sum is σ = 1268698402432. Its totient is φ = 951523801812.

The previous prime is 1110111102119. The next prime is 1110111102151. The reversal of 1110111102121 is 1212011110111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1110111102121 - 21 = 1110111102119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1110111102151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79293650145 + ... + 79293650158.

It is an arithmetic number, because the mean of its divisors is an integer number (317174600608).

Almost surely, 21110111102121 is an apocalyptic number.

It is an amenable number.

1110111102121 is a deficient number, since it is larger than the sum of its proper divisors (158587300311).

1110111102121 is an equidigital number, since it uses as much as digits as its factorization.

1110111102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158587300310.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1110111102121 its reverse (1212011110111), we get a palindrome (2322122212232).

The spelling of 1110111102121 in words is "one trillion, one hundred ten billion, one hundred eleven million, one hundred two thousand, one hundred twenty-one".

Divisors: 1 7 158587300303 1110111102121