121221043120233 has 24 divisors (see below), whose sum is σ = 200112316708928. Its totient is φ = 69268686903072.

The previous prime is 121221043120231. The next prime is 121221043120259. The reversal of 121221043120233 is 332021340122121.

121221043120233 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 21 + 0 + 431 + 202 + 3 + 3 = 666.

It is not a de Polignac number, because 121221043120233 - 2¹ = 121221043120231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121221043120197 and 121221043120206.

It is not an unprimeable number, because it can be changed into a prime (121221043120231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2578491 + ... + 15782607.

Almost surely, 2^{121221043120233} is an apocalyptic number.

It is an amenable number.

121221043120233 is a deficient number, since it is larger than the sum of its proper divisors (78891273588695).

121221043120233 is a wasteful number, since it uses less digits than its factorization.

121221043120233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13349853 (or 13349850 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 121221043120233 its reverse (332021340122121), we get a palindrome (453242383242354).

The spelling of 121221043120233 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, forty-three million, one hundred twenty thousand, two hundred thirty-three".