111211010020112 has 20 divisors (see below), whose sum is σ = 215557417222080. Its totient is φ = 55583289446688.

The previous prime is 111211010020067. The next prime is 111211010020141. The reversal of 111211010020112 is 211020010112111.

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, 1388431412 + ... + 1388511507.

It is an arithmetic number, because the mean of its divisors is an integer number (10777870861104).

Almost surely, 2^{111211010020112} is an apocalyptic number.

It is an amenable number.

111211010020112 is a deficient number, since it is larger than the sum of its proper divisors (104346407201968).

111211010020112 is a wasteful number, since it uses less digits than its factorization.

111211010020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776945430 (or 2776945424 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111211010020112 its reverse (211020010112111), we get a palindrome (322231020132223).

The spelling of 111211010020112 in words is "one hundred eleven trillion, two hundred eleven billion, ten million, twenty thousand, one hundred twelve".