121033133 has 4 divisors (see below), whose sum is σ = 130343388. Its totient is φ = 111722880.

The previous prime is 121033111. The next prime is 121033139. The reversal of 121033133 is 331330121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331330121 = 449 ⋅737929.

It can be written as a sum of positive squares in 2 ways, for example, as 63075364 + 57957769 = 7942^2 + 7613^2 .

It is a cyclic number.

It is not a de Polignac number, because 121033133 - 2⁶ = 121033069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121033139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4655108 + ... + 4655133.

It is an arithmetic number, because the mean of its divisors is an integer number (32585847).

Almost surely, 2^121033133 is an apocalyptic number.

121033133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121033133 is a deficient number, since it is larger than the sum of its proper divisors (9310255).

121033133 is an equidigital number, since it uses as much as digits as its factorization.

121033133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9310254.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 121033133 is about 11001.5059423699. The cubic root of 121033133 is about 494.6538858564.

Adding to 121033133 its reverse (331330121), we get a palindrome (452363254).

It can be divided in two parts, 1210 and 33133, that added together give a palindrome (34343).

The spelling of 121033133 in words is "one hundred twenty-one million, thirty-three thousand, one hundred thirty-three".