120011020111 has 2 divisors, whose sum is σ = 120011020112. Its totient is φ = 120011020110.

The previous prime is 120011020109. The next prime is 120011020127. The reversal of 120011020111 is 111020110021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120011020111 - 2¹ = 120011020109 is a prime.

Together with 120011020109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120011020211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005510055 + 60005510056.

It is an arithmetic number, because the mean of its divisors is an integer number (60005510056).

Almost surely, 2^120011020111 is an apocalyptic number.

120011020111 is a deficient number, since it is larger than the sum of its proper divisors (1).

120011020111 is an equidigital number, since it uses as much as digits as its factorization.

120011020111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 120011020111 its reverse (111020110021), we get a palindrome (231031130132).

It can be divided in two parts, 1200110 and 20111, that added together give a palindrome (1220221).

The spelling of 120011020111 in words is "one hundred twenty billion, eleven million, twenty thousand, one hundred eleven".