121432042111 has 2 divisors, whose sum is σ = 121432042112. Its totient is φ = 121432042110.

The previous prime is 121432042093. The next prime is 121432042129. The reversal of 121432042111 is 111240234121.

It is a balanced prime because it is at equal distance from previous prime (121432042093) and next prime (121432042129).

It is a cyclic number.

It is not a de Polignac number, because 121432042111 - 2⁵ = 121432042079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121432042141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60716021055 + 60716021056.

It is an arithmetic number, because the mean of its divisors is an integer number (60716021056).

Almost surely, 2^121432042111 is an apocalyptic number.

121432042111 is a deficient number, since it is larger than the sum of its proper divisors (1).

121432042111 is an equidigital number, since it uses as much as digits as its factorization.

121432042111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 121432042111 its reverse (111240234121), we get a palindrome (232672276232).

The spelling of 121432042111 in words is "one hundred twenty-one billion, four hundred thirty-two million, forty-two thousand, one hundred eleven".