121113055 has 24 divisors (see below), whose sum is σ = 176422752. Its totient is φ = 79434432.

The previous prime is 121112993. The next prime is 121113067. The reversal of 121113055 is 550311121.

It is not a de Polignac number, because 121113055 - 2⁹ = 121112543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5112 + ... + 16381.

It is an arithmetic number, because the mean of its divisors is an integer number (7350948).

Almost surely, 2^121113055 is an apocalyptic number.

121113055 is a deficient number, since it is larger than the sum of its proper divisors (55309697).

121113055 is a wasteful number, since it uses less digits than its factorization.

121113055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21535 (or 21528 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 121113055 is about 11005.1376638368. The cubic root of 121113055 is about 494.7627404273.

Adding to 121113055 its reverse (550311121), we get a palindrome (671424176).

The spelling of 121113055 in words is "one hundred twenty-one million, one hundred thirteen thousand, fifty-five".