120022222111 has 12 divisors (see below), whose sum is σ = 135142947072. Its totient is φ = 106449860000.

The previous prime is 120022222097. The next prime is 120022222153. The reversal of 120022222111 is 111222220021.

It is a happy number.

It is not a de Polignac number, because 120022222111 - 2⁷ = 120022221983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120022222181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12091615 + ... + 12101536.

It is an arithmetic number, because the mean of its divisors is an integer number (11261912256).

Almost surely, 2^120022222111 is an apocalyptic number.

120022222111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120022222111 is a deficient number, since it is larger than the sum of its proper divisors (15120724961).

120022222111 is a wasteful number, since it uses less digits than its factorization.

120022222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24193214 (or 24193203 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120022222111 its reverse (111222220021), we get a palindrome (231244442132).

The spelling of 120022222111 in words is "one hundred twenty billion, twenty-two million, two hundred twenty-two thousand, one hundred eleven".