121061010613 has 4 divisors (see below), whose sum is σ = 121669357600. Its totient is φ = 120452663628.

The previous prime is 121061010611. The next prime is 121061010677. The reversal of 121061010613 is 316010160121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121061010613 - 2¹ = 121061010611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121061010611) 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, 304173195 + ... + 304173592.

It is an arithmetic number, because the mean of its divisors is an integer number (30417339400).

Almost surely, 2^121061010613 is an apocalyptic number.

It is an amenable number.

121061010613 is a deficient number, since it is larger than the sum of its proper divisors (608346987).

121061010613 is an equidigital number, since it uses as much as digits as its factorization.

121061010613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608346986.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 121061010613 its reverse (316010160121), we get a palindrome (437071170734).

The spelling of 121061010613 in words is "one hundred twenty-one billion, sixty-one million, ten thousand, six hundred thirteen".