121221323013113 has 4 divisors (see below), whose sum is σ = 122398229061888. Its totient is φ = 120044416964340.

The previous prime is 121221323013107. The next prime is 121221323013121. The reversal of 121221323013113 is 311310323122121.

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 121221323013113 - 2³⁸ = 120946445106169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121221323013103) 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, 588453024233 + ... + 588453024438.

It is an arithmetic number, because the mean of its divisors is an integer number (30599557265472).

Almost surely, 2^{121221323013113} is an apocalyptic number.

It is an amenable number.

121221323013113 is a deficient number, since it is larger than the sum of its proper divisors (1176906048775).

121221323013113 is a wasteful number, since it uses less digits than its factorization.

121221323013113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176906048774.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 121221323013113 its reverse (311310323122121), we get a palindrome (432531646135234).

The spelling of 121221323013113 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, three hundred twenty-three million, thirteen thousand, one hundred thirteen".