121041340041 has 16 divisors (see below), whose sum is σ = 161753518080. Its totient is φ = 80511784080.

The previous prime is 121041340037. The next prime is 121041340111. The reversal of 121041340041 is 140043140121.

It is not a de Polignac number, because 121041340041 - 2² = 121041340037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121041341041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6991606 + ... + 7008896.

It is an arithmetic number, because the mean of its divisors is an integer number (10109594880).

Almost surely, 2^121041340041 is an apocalyptic number.

It is an amenable number.

121041340041 is a deficient number, since it is larger than the sum of its proper divisors (40712178039).

121041340041 is a wasteful number, since it uses less digits than its factorization.

121041340041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22436.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 121041340041 its reverse (140043140121), we get a palindrome (261084480162).

The spelling of 121041340041 in words is "one hundred twenty-one billion, forty-one million, three hundred forty thousand, forty-one".