121345023113 has 8 divisors (see below), whose sum is σ = 123410649600. Its totient is φ = 119279694448.

The previous prime is 121345023067. The next prime is 121345023119. The reversal of 121345023113 is 311320543121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121345023113 is a prime.

It is a super-2 number, since 2×121345023113² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121345023119) 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, 842648 + ... + 976086.

It is an arithmetic number, because the mean of its divisors is an integer number (15426331200).

Almost surely, 2^121345023113 is an apocalyptic number.

It is an amenable number.

121345023113 is a deficient number, since it is larger than the sum of its proper divisors (2065626487).

121345023113 is a wasteful number, since it uses less digits than its factorization.

121345023113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148911.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 121345023113 its reverse (311320543121), we get a palindrome (432665566234).

The spelling of 121345023113 in words is "one hundred twenty-one billion, three hundred forty-five million, twenty-three thousand, one hundred thirteen".