121055435042 has 8 divisors (see below), whose sum is σ = 183280191696. Its totient is φ = 59962037812.

The previous prime is 121055435029. The next prime is 121055435047. The reversal of 121055435042 is 240534550121.

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

It is not an unprimeable number, because it can be changed into a prime (121055435047) 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, 282839588 + ... + 282840015.

It is an arithmetic number, because the mean of its divisors is an integer number (22910023962).

Almost surely, 2^121055435042 is an apocalyptic number.

121055435042 is a deficient number, since it is larger than the sum of its proper divisors (62224756654).

121055435042 is a wasteful number, since it uses less digits than its factorization.

121055435042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565679712.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 121055435042 its reverse (240534550121), we get a palindrome (361589985163).

The spelling of 121055435042 in words is "one hundred twenty-one billion, fifty-five million, four hundred thirty-five thousand, forty-two".