120001222111 has 2 divisors, whose sum is σ = 120001222112. Its totient is φ = 120001222110.

The previous prime is 120001222079. The next prime is 120001222147. The reversal of 120001222111 is 111222100021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120001222111 - 2⁵ = 120001222079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120001222091 and 120001222100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120001220111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000611055 + 60000611056.

It is an arithmetic number, because the mean of its divisors is an integer number (60000611056).

Almost surely, 2^120001222111 is an apocalyptic number.

120001222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

120001222111 is an equidigital number, since it uses as much as digits as its factorization.

120001222111 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 13.

Adding to 120001222111 its reverse (111222100021), we get a palindrome (231223322132).

The spelling of 120001222111 in words is "one hundred twenty billion, one million, two hundred twenty-two thousand, one hundred eleven".