121113355 has 16 divisors (see below), whose sum is σ = 167876064. Its totient is φ = 82900480.

The previous prime is 121113347. The next prime is 121113359. The reversal of 121113355 is 553311121.

It is not a de Polignac number, because 121113355 - 2³ = 121113347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121113359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63832 + ... + 65701.

It is an arithmetic number, because the mean of its divisors is an integer number (10492254).

Almost surely, 2^121113355 is an apocalyptic number.

121113355 is a deficient number, since it is larger than the sum of its proper divisors (46762709).

121113355 is a wasteful number, since it uses less digits than its factorization.

121113355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129566.

The product of its digits is 450, while the sum is 22.

The square root of 121113355 is about 11005.1512938260. The cubic root of 121113355 is about 494.7631489401.

Adding to 121113355 its reverse (553311121), we get a palindrome (674424476).

The spelling of 121113355 in words is "one hundred twenty-one million, one hundred thirteen thousand, three hundred fifty-five".