120111012222112 has 48 divisors (see below), whose sum is σ = 236601989850240. Its totient is φ = 60021625957632.

The previous prime is 120111012222079. The next prime is 120111012222121. The reversal of 120111012222112 is 211222210111021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 120111012222112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498797613 + ... + 499038355.

It is an arithmetic number, because the mean of its divisors is an integer number (4929208121880).

Almost surely, 2^{120111012222112} is an apocalyptic number.

It is an amenable number.

120111012222112 is a deficient number, since it is larger than the sum of its proper divisors (116490977628128).

120111012222112 is a wasteful number, since it uses less digits than its factorization.

120111012222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249485 (or 249477 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 120111012222112 its reverse (211222210111021), we get a palindrome (331333222333133).

The spelling of 120111012222112 in words is "one hundred twenty trillion, one hundred eleven billion, twelve million, two hundred twenty-two thousand, one hundred twelve".