121111020202301 has 2 divisors, whose sum is σ = 121111020202302. Its totient is φ = 121111020202300.

The previous prime is 121111020202189. The next prime is 121111020202411. The reversal of 121111020202301 is 103202020111121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120021556039225 + 1089464163076 = 10955435^2 + 1043774^2 .

It is a cyclic number.

It is not a de Polignac number, because 121111020202301 - 2⁴⁶ = 50742276024637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121111020202301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121111029202301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60555510101150 + 60555510101151.

It is an arithmetic number, because the mean of its divisors is an integer number (60555510101151).

Almost surely, 2^{121111020202301} is an apocalyptic number.

It is an amenable number.

121111020202301 is a deficient number, since it is larger than the sum of its proper divisors (1).

121111020202301 is an equidigital number, since it uses as much as digits as its factorization.

121111020202301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121111020202301 its reverse (103202020111121), we get a palindrome (224313040313422).

The spelling of 121111020202301 in words is "one hundred twenty-one trillion, one hundred eleven billion, twenty million, two hundred two thousand, three hundred one".