121133331102105 has 24 divisors (see below), whose sum is σ = 239959360660032. Its totient is φ = 55375237075104.

The previous prime is 121133331102103. The next prime is 121133331102131. The reversal of 121133331102105 is 501201133331121.

121133331102105 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 3 + 333 + 110 + 210 + 5 = 666.

It is not a de Polignac number, because 121133331102105 - 2¹ = 121133331102103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121133331102103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192275128419 + ... + 192275129048.

It is an arithmetic number, because the mean of its divisors is an integer number (9998306694168).

Almost surely, 2^{121133331102105} is an apocalyptic number.

121133331102105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121133331102105 is a deficient number, since it is larger than the sum of its proper divisors (118826029557927).

121133331102105 is a wasteful number, since it uses less digits than its factorization.

121133331102105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384550257485 (or 384550257482 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

Adding to 121133331102105 its reverse (501201133331121), we get a palindrome (622334464433226).

The spelling of 121133331102105 in words is "one hundred twenty-one trillion, one hundred thirty-three billion, three hundred thirty-one million, one hundred two thousand, one hundred five".