211101110120112 has 80 divisors (see below), whose sum is σ = 550452866261760. Its totient is φ = 69707924971776.

The previous prime is 211101110120063. The next prime is 211101110120129. The reversal of 211101110120112 is 211021011101112.

It is a junction number, because it is equal to n+sod(n) for n = 211101110120091 and 211101110120100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257001138 + ... + 257821230.

It is an arithmetic number, because the mean of its divisors is an integer number (6880660828272).

Almost surely, 2^{211101110120112} is an apocalyptic number.

It is an amenable number.

211101110120112 is an abundant number, since it is smaller than the sum of its proper divisors (339351756141648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211101110120112 is a wasteful number, since it uses less digits than its factorization.

211101110120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870330 (or 870324 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 211101110120112 its reverse (211021011101112), we get a palindrome (422122121221224).

The spelling of 211101110120112 in words is "two hundred eleven trillion, one hundred one billion, one hundred ten million, one hundred twenty thousand, one hundred twelve".