120120001022111 has 2 divisors, whose sum is σ = 120120001022112. Its totient is φ = 120120001022110.

The previous prime is 120120001022083. The next prime is 120120001022123. The reversal of 120120001022111 is 111220100021021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120120001022111 - 2³⁴ = 120102821152927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120120001022141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060000511055 + 60060000511056.

It is an arithmetic number, because the mean of its divisors is an integer number (60060000511056).

Almost surely, 2^{120120001022111} is an apocalyptic number.

120120001022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

120120001022111 is an equidigital number, since it uses as much as digits as its factorization.

120120001022111 is an evil number, because the sum of its binary digits is even.

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

Adding to 120120001022111 its reverse (111220100021021), we get a palindrome (231340101043132).

The spelling of 120120001022111 in words is "one hundred twenty trillion, one hundred twenty billion, one million, twenty-two thousand, one hundred eleven".