121120202112013 has 8 divisors (see below), whose sum is σ = 130438649316248. Its totient is φ = 111801970419264.

The previous prime is 121120202111999. The next prime is 121120202112029. The reversal of 121120202112013 is 310211202021121.

It can be written as a sum of positive squares in 4 ways, for example, as 6564858591204 + 114555343520809 = 2562198^2 + 10703053^2 .

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-121120202112013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120202112313) 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, 52709670 + ... + 54959527.

It is an arithmetic number, because the mean of its divisors is an integer number (16304831164531).

Almost surely, 2^{121120202112013} is an apocalyptic number.

121120202112013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121120202112013 is a deficient number, since it is larger than the sum of its proper divisors (9318447204235).

121120202112013 is a wasteful number, since it uses less digits than its factorization.

121120202112013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107755743.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 121120202112013 its reverse (310211202021121), we get a palindrome (431331404133134).

The spelling of 121120202112013 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred two million, one hundred twelve thousand, thirteen".