121442042333 has 32 divisors (see below), whose sum is σ = 133129372032. Its totient is φ = 110344550400.

The previous prime is 121442042297. The next prime is 121442042383. The reversal of 121442042333 is 333240244121.

It is a cyclic number.

It is not a de Polignac number, because 121442042333 - 2⁶ = 121442042269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121442042296 and 121442042305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121442042383) 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, 15969110 + ... + 15976712.

It is an arithmetic number, because the mean of its divisors is an integer number (4160292876).

Almost surely, 2^121442042333 is an apocalyptic number.

It is an amenable number.

121442042333 is a deficient number, since it is larger than the sum of its proper divisors (11687329699).

121442042333 is a wasteful number, since it uses less digits than its factorization.

121442042333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7965.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 121442042333 its reverse (333240244121), we get a palindrome (454682286454).

The spelling of 121442042333 in words is "one hundred twenty-one billion, four hundred forty-two million, forty-two thousand, three hundred thirty-three".