120111221111012 has 12 divisors (see below), whose sum is σ = 215082884315376. Its totient is φ = 58658968449480.

The previous prime is 120111221110931. The next prime is 120111221111069. The reversal of 120111221111012 is 210111122111021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349160526314 + ... + 349160526657.

It is an arithmetic number, because the mean of its divisors is an integer number (17923573692948).

Almost surely, 2^{120111221111012} is an apocalyptic number.

It is an amenable number.

120111221111012 is a deficient number, since it is larger than the sum of its proper divisors (94971663204364).

120111221111012 is a wasteful number, since it uses less digits than its factorization.

120111221111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698321053018 (or 698321053016 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 120111221111012 its reverse (210111122111021), we get a palindrome (330222343222033).

The spelling of 120111221111012 in words is "one hundred twenty trillion, one hundred eleven billion, two hundred twenty-one million, one hundred eleven thousand, twelve".