121020212221113 has 8 divisors (see below), whose sum is σ = 161372423582176. Its totient is φ = 80674071170400.

The previous prime is 121020212221067. The next prime is 121020212221121. The reversal of 121020212221113 is 311122212020121.

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

It is not a de Polignac number, because 121020212221113 - 2¹⁸ = 121020211958969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121020212221113.

It is not an unprimeable number, because it can be changed into a prime (121020212221133) 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, 1517531068 + ... + 1517610813.

It is an arithmetic number, because the mean of its divisors is an integer number (20171552947772).

Almost surely, 2^{121020212221113} is an apocalyptic number.

It is an amenable number.

121020212221113 is a deficient number, since it is larger than the sum of its proper divisors (40352211361063).

121020212221113 is a wasteful number, since it uses less digits than its factorization.

121020212221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035155175.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 121020212221113 its reverse (311122212020121), we get a palindrome (432142424241234).

The spelling of 121020212221113 in words is "one hundred twenty-one trillion, twenty billion, two hundred twelve million, two hundred twenty-one thousand, one hundred thirteen".