121022221010013 has 24 divisors (see below), whose sum is σ = 174848007559680. Its totient is φ = 80663882679360.

The previous prime is 121022221010011. The next prime is 121022221010027. The reversal of 121022221010013 is 310010122220121.

121022221010013 is a `hidden beast` number, since 1 + 210 + 222 + 210 + 10 + 0 + 13 = 666.

It is not a de Polignac number, because 121022221010013 - 2¹ = 121022221010011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022221010011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 989304870 + ... + 989427192.

It is an arithmetic number, because the mean of its divisors is an integer number (7285333648320).

Almost surely, 2^{121022221010013} is an apocalyptic number.

It is an amenable number.

121022221010013 is a deficient number, since it is larger than the sum of its proper divisors (53825786549667).

121022221010013 is a wasteful number, since it uses less digits than its factorization.

121022221010013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145409 (or 145406 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 121022221010013 its reverse (310010122220121), we get a palindrome (431032343230134).

The spelling of 121022221010013 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred twenty-one million, ten thousand, thirteen".