121055435041 has 6 divisors (see below), whose sum is σ = 122607185442. Its totient is φ = 119523081600.

The previous prime is 121055435029. The next prime is 121055435047. The reversal of 121055435041 is 140534550121.

It can be written as a sum of positive squares in only one way, i.e., 100857056400 + 20198378641 = 317580^2 + 142121^2 .

It is not a de Polignac number, because 121055435041 - 2⁹ = 121055434529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121055434994 and 121055435012.

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 5 ways as a sum of consecutive naturals, for example, 9692160 + ... + 9704641.

It is an arithmetic number, because the mean of its divisors is an integer number (20434530907).

Almost surely, 2^121055435041 is an apocalyptic number.

It is an amenable number.

121055435041 is a deficient number, since it is larger than the sum of its proper divisors (1551750401).

121055435041 is an frugal number, since it uses more digits than its factorization.

121055435041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19396959 (or 19396880 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 121055435041 its reverse (140534550121), we get a palindrome (261589985162).

The spelling of 121055435041 in words is "one hundred twenty-one billion, fifty-five million, four hundred thirty-five thousand, forty-one".