111010101112 has 64 divisors (see below), whose sum is σ = 212804444160. Its totient is φ = 54279888000.

The previous prime is 111010101101. The next prime is 111010101149. The reversal of 111010101112 is 211101010111.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 23601753 + ... + 23606455.

It is an arithmetic number, because the mean of its divisors is an integer number (3325069440).

Almost surely, 2^111010101112 is an apocalyptic number.

It is an amenable number.

111010101112 is a deficient number, since it is larger than the sum of its proper divisors (101794343048).

111010101112 is a wasteful number, since it uses less digits than its factorization.

111010101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5164 (or 5160 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 111010101112 its reverse (211101010111), we get a palindrome (322111111223).

It can be divided in two parts, 11101010111 and 2, that multiplied together give a palindrome (22202020222).

The spelling of 111010101112 in words is "one hundred eleven billion, ten million, one hundred one thousand, one hundred twelve".