121020220111113 has 12 divisors (see below), whose sum is σ = 174923600358000. Its totient is φ = 80626324085496.

The previous prime is 121020220111111. The next prime is 121020220111121. The reversal of 121020220111113 is 311111022020121.

It is a happy number.

121020220111113 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 121020220111113 - 2¹ = 121020220111111 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121020220111111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4485207031 + ... + 4485234012.

It is an arithmetic number, because the mean of its divisors is an integer number (14576966696500).

Almost surely, 2^{121020220111113} is an apocalyptic number.

It is an amenable number.

121020220111113 is a deficient number, since it is larger than the sum of its proper divisors (53903380246887).

121020220111113 is a wasteful number, since it uses less digits than its factorization.

121020220111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8970442548 (or 8970442545 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 121020220111113 its reverse (311111022020121), we get a palindrome (432131242131234).

The spelling of 121020220111113 in words is "one hundred twenty-one trillion, twenty billion, two hundred twenty million, one hundred eleven thousand, one hundred thirteen".