Search a number
-
+
121081114121 = 1131355076581
BaseRepresentation
bin111000011000011111…
…1110010111000001001
3102120112100110220021012
41300300333302320021
53440433231122441
6131342432253305
711514334326422
oct1606077627011
9376470426235
10121081114121
1147394150170
121b5719a1235
13b558184a76
145c08b6a649
153239d5a9eb
hex1c30ff2e09

121081114121 has 8 divisors (see below), whose sum is σ = 136349407488. Its totient is φ = 106522974000.

The previous prime is 121081114111. The next prime is 121081114139. The reversal of 121081114121 is 121411180121.

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 121081114121 - 218 = 121080851977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121081114111) 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 7 ways as a sum of consecutive naturals, for example, 177537950 + ... + 177538631.

It is an arithmetic number, because the mean of its divisors is an integer number (17043675936).

Almost surely, 2121081114121 is an apocalyptic number.

121081114121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121081114121 is a deficient number, since it is larger than the sum of its proper divisors (15268293367).

121081114121 is a wasteful number, since it uses less digits than its factorization.

121081114121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355076623.

The product of its (nonzero) digits is 128, while the sum is 23.

Adding to 121081114121 its reverse (121411180121), we get a palindrome (242492294242).

The spelling of 121081114121 in words is "one hundred twenty-one billion, eighty-one million, one hundred fourteen thousand, one hundred twenty-one".

Divisors: 1 11 31 341 355076581 3905842391 11007374011 121081114121