121020030322111 has 2 divisors, whose sum is σ = 121020030322112. Its totient is φ = 121020030322110.

The previous prime is 121020030322073. The next prime is 121020030322141. The reversal of 121020030322111 is 111223030020121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121020030322111 - 2²¹ = 121020028224959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121020030322141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60510015161055 + 60510015161056.

It is an arithmetic number, because the mean of its divisors is an integer number (60510015161056).

Almost surely, 2^{121020030322111} is an apocalyptic number.

121020030322111 is a deficient number, since it is larger than the sum of its proper divisors (1).

121020030322111 is an equidigital number, since it uses as much as digits as its factorization.

121020030322111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121020030322111 its reverse (111223030020121), we get a palindrome (232243060342232).

The spelling of 121020030322111 in words is "one hundred twenty-one trillion, twenty billion, thirty million, three hundred twenty-two thousand, one hundred eleven".