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121121114111 is a prime number
BaseRepresentation
bin111000011001101100…
…0011000011111111111
3102120122010202002221022
41300303120120133333
53441024001122421
6131350421454355
711515331324444
oct1606330303777
9376563662838
10121121114111
1147404790808
121b5832713bb
13b56354b5ba
145c101bd9cb
15323d60c7ab
hex1c336187ff

121121114111 has 2 divisors, whose sum is σ = 121121114112. Its totient is φ = 121121114110.

The previous prime is 121121114099. The next prime is 121121114159. The reversal of 121121114111 is 111411121121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121121114111 - 26 = 121121114047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121121114111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121121117111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560557055 + 60560557056.

It is an arithmetic number, because the mean of its divisors is an integer number (60560557056).

Almost surely, 2121121114111 is an apocalyptic number.

121121114111 is a deficient number, since it is larger than the sum of its proper divisors (1).

121121114111 is an equidigital number, since it uses as much as digits as its factorization.

121121114111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16, while the sum is 17.

Adding to 121121114111 its reverse (111411121121), we get a palindrome (232532235232).

The spelling of 121121114111 in words is "one hundred twenty-one billion, one hundred twenty-one million, one hundred fourteen thousand, one hundred eleven".