120100220111 has 2 divisors, whose sum is σ = 120100220112. Its totient is φ = 120100220110.

The previous prime is 120100220081. The next prime is 120100220113. The reversal of 120100220111 is 111022001021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120100220111 - 2¹⁰ = 120100219087 is a prime.

Together with 120100220113, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 120100220092 and 120100220101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120100220113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050110055 + 60050110056.

It is an arithmetic number, because the mean of its divisors is an integer number (60050110056).

Almost surely, 2^120100220111 is an apocalyptic number.

120100220111 is a deficient number, since it is larger than the sum of its proper divisors (1).

120100220111 is an equidigital number, since it uses as much as digits as its factorization.

120100220111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120100220111 its reverse (111022001021), we get a palindrome (231122221132).

The spelling of 120100220111 in words is "one hundred twenty billion, one hundred million, two hundred twenty thousand, one hundred eleven".