121013311013 has 8 divisors (see below), whose sum is σ = 139149400128. Its totient is φ = 103089340224.

The previous prime is 121013311009. The next prime is 121013311033. The reversal of 121013311013 is 310113310121.

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

It is a cyclic number.

It is not a de Polignac number, because 121013311013 - 2² = 121013311009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121013310982 and 121013311000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121013311033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53028356 + ... + 53030637.

It is an arithmetic number, because the mean of its divisors is an integer number (17393675016).

Almost surely, 2^121013311013 is an apocalyptic number.

It is an amenable number.

121013311013 is a deficient number, since it is larger than the sum of its proper divisors (18136089115).

121013311013 is a wasteful number, since it uses less digits than its factorization.

121013311013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106059163.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 121013311013 its reverse (310113310121), we get a palindrome (431126621134).

The spelling of 121013311013 in words is "one hundred twenty-one billion, thirteen million, three hundred eleven thousand, thirteen".