121310033 has 4 divisors (see below), whose sum is σ = 130641588. Its totient is φ = 111978480.

The previous prime is 121309997. The next prime is 121310069. The reversal of 121310033 is 330013121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330013121 = 8123 ⋅40627.

It is an interprime number because it is at equal distance from previous prime (121309997) and next prime (121310069).

It can be written as a sum of positive squares in 2 ways, for example, as 63808144 + 57501889 = 7988^2 + 7583^2 .

It is a cyclic number.

It is not a de Polignac number, because 121310033 - 2⁸ = 121309777 is a prime.

It is a super-2 number, since 2×121310033² = 29432248212922178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121310083) 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, 4665758 + ... + 4665783.

It is an arithmetic number, because the mean of its divisors is an integer number (32660397).

Almost surely, 2^121310033 is an apocalyptic number.

121310033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121310033 is a deficient number, since it is larger than the sum of its proper divisors (9331555).

121310033 is an equidigital number, since it uses as much as digits as its factorization.

121310033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9331554.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 121310033 is about 11014.0833935466. The cubic root of 121310033 is about 495.0308221463.

Adding to 121310033 its reverse (330013121), we get a palindrome (451323154).

The spelling of 121310033 in words is "one hundred twenty-one million, three hundred ten thousand, thirty-three".