121055423342 has 8 divisors (see below), whose sum is σ = 207523582896. Its totient is φ = 51880895712.

The previous prime is 121055423303. The next prime is 121055423393. The reversal of 121055423342 is 243324550121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 121055423299 and 121055423308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4323407963 + ... + 4323407990.

It is an arithmetic number, because the mean of its divisors is an integer number (25940447862).

Almost surely, 2^121055423342 is an apocalyptic number.

121055423342 is a deficient number, since it is larger than the sum of its proper divisors (86468159554).

121055423342 is an equidigital number, since it uses as much as digits as its factorization.

121055423342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8646815962.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 121055423342 its reverse (243324550121), we get a palindrome (364379973463).

The spelling of 121055423342 in words is "one hundred twenty-one billion, fifty-five million, four hundred twenty-three thousand, three hundred forty-two".