111112120111010 has 32 divisors (see below), whose sum is σ = 200380361905152. Its totient is φ = 44360748754560.

The previous prime is 111112120110991. The next prime is 111112120111019. The reversal of 111112120111010 is 10111021211111.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111112120111019) by changing a digit.

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, 39188342 + ... + 41927918.

It is an arithmetic number, because the mean of its divisors is an integer number (6261886309536).

Almost surely, 2^{111112120111010} is an apocalyptic number.

111112120111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111112120111010 is a deficient number, since it is larger than the sum of its proper divisors (89268241794142).

111112120111010 is a wasteful number, since it uses less digits than its factorization.

111112120111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747258.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 111112120111010 its reverse (10111021211111), we get a palindrome (121223141322121).

The spelling of 111112120111010 in words is "one hundred eleven trillion, one hundred twelve billion, one hundred twenty million, one hundred eleven thousand, ten".