121133355 has 32 divisors (see below), whose sum is σ = 225690624. Its totient is φ = 54327936.

The previous prime is 121133351. The next prime is 121133371. The reversal of 121133355 is 553331121.

It is not a de Polignac number, because 121133355 - 2² = 121133351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121133351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5319 + ... + 16448.

It is an arithmetic number, because the mean of its divisors is an integer number (7052832).

Almost surely, 2^121133355 is an apocalyptic number.

121133355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121133355 is a deficient number, since it is larger than the sum of its proper divisors (104557269).

121133355 is a wasteful number, since it uses less digits than its factorization.

121133355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21835.

The product of its digits is 1350, while the sum is 24.

The square root of 121133355 is about 11006.0599216977. The cubic root of 121133355 is about 494.7903816053.

Adding to 121133355 its reverse (553331121), we get a palindrome (674464476).

The spelling of 121133355 in words is "one hundred twenty-one million, one hundred thirty-three thousand, three hundred fifty-five".