121110320013 has 8 divisors (see below), whose sum is σ = 161523699168. Its totient is φ = 80718577104.

The previous prime is 121110319991. The next prime is 121110320021. The reversal of 121110320013 is 310023011121.

It is a happy number.

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

It is not a de Polignac number, because 121110320013 - 2¹⁸ = 121110057869 is a prime.

It is a super-2 number, since 2×121110320013² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121110319974 and 121110320001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110300013) 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, 5395995 + ... + 5418392.

It is an arithmetic number, because the mean of its divisors is an integer number (20190462396).

Almost surely, 2^121110320013 is an apocalyptic number.

It is an amenable number.

121110320013 is a deficient number, since it is larger than the sum of its proper divisors (40413379155).

121110320013 is a wasteful number, since it uses less digits than its factorization.

121110320013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10818123.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 121110320013 its reverse (310023011121), we get a palindrome (431133331134).

The spelling of 121110320013 in words is "one hundred twenty-one billion, one hundred ten million, three hundred twenty thousand, thirteen".