120120001220111 has 2 divisors, whose sum is σ = 120120001220112. Its totient is φ = 120120001220110.

The previous prime is 120120001220101. The next prime is 120120001220119. The reversal of 120120001220111 is 111022100021021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120120001220111 - 2⁶ = 120120001220047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120120001220119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060000610055 + 60060000610056.

It is an arithmetic number, because the mean of its divisors is an integer number (60060000610056).

Almost surely, 2^{120120001220111} is an apocalyptic number.

120120001220111 is a deficient number, since it is larger than the sum of its proper divisors (1).

120120001220111 is an equidigital number, since it uses as much as digits as its factorization.

120120001220111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120120001220111 its reverse (111022100021021), we get a palindrome (231142101241132).

The spelling of 120120001220111 in words is "one hundred twenty trillion, one hundred twenty billion, one million, two hundred twenty thousand, one hundred eleven".