121113202141 has 2 divisors, whose sum is σ = 121113202142. Its totient is φ = 121113202140.

The previous prime is 121113202123. The next prime is 121113202151. The reversal of 121113202141 is 141202311121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74763418041 + 46349784100 = 273429^2 + 215290^2 .

It is a cyclic number.

It is not a de Polignac number, because 121113202141 - 2⁷ = 121113202013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121113202151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556601070 + 60556601071.

It is an arithmetic number, because the mean of its divisors is an integer number (60556601071).

Almost surely, 2^121113202141 is an apocalyptic number.

It is an amenable number.

121113202141 is a deficient number, since it is larger than the sum of its proper divisors (1).

121113202141 is an equidigital number, since it uses as much as digits as its factorization.

121113202141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 121113202141 its reverse (141202311121), we get a palindrome (262315513262).

The spelling of 121113202141 in words is "one hundred twenty-one billion, one hundred thirteen million, two hundred two thousand, one hundred forty-one".