121021322230111 has 12 divisors (see below), whose sum is σ = 127797740809392. Its totient is φ = 114587475609024.

The previous prime is 121021322230091. The next prime is 121021322230117. The reversal of 121021322230111 is 111032223120121.

It is a happy number.

It is not a de Polignac number, because 121021322230111 - 2¹⁵ = 121021322197343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121021322230117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93366186 + ... + 94653511.

It is an arithmetic number, because the mean of its divisors is an integer number (10649811734116).

Almost surely, 2^{121021322230111} is an apocalyptic number.

121021322230111 is a deficient number, since it is larger than the sum of its proper divisors (6776418579281).

121021322230111 is a wasteful number, since it uses less digits than its factorization.

121021322230111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188021518 (or 188021499 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 121021322230111 its reverse (111032223120121), we get a palindrome (232053545350232).

The spelling of 121021322230111 in words is "one hundred twenty-one trillion, twenty-one billion, three hundred twenty-two million, two hundred thirty thousand, one hundred eleven".