120211122111112 has 8 divisors (see below), whose sum is σ = 225395853958350. Its totient is φ = 60105561055552.

The previous prime is 120211122111103. The next prime is 120211122111137. The reversal of 120211122111112 is 211111221112021.

It can be written as a sum of positive squares in only one way, i.e., 110171767883076 + 10039354228036 = 10496274^2 + 3168494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 120211122111112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7513195131937 + ... + 7513195131952.

Almost surely, 2^{120211122111112} is an apocalyptic number.

It is an amenable number.

120211122111112 is a deficient number, since it is larger than the sum of its proper divisors (105184731847238).

120211122111112 is a wasteful number, since it uses less digits than its factorization.

120211122111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15026390263895 (or 15026390263891 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 120211122111112 its reverse (211111221112021), we get a palindrome (331322343223133).

Subtracting 120211122111112 from its reverse (211111221112021), we obtain a palindrome (90900099000909).

The spelling of 120211122111112 in words is "one hundred twenty trillion, two hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, one hundred twelve".