1112212111101 has 160 divisors (see below), whose sum is σ = 1917357550080. Its totient is φ = 569707084800.

The previous prime is 1112212111091. The next prime is 1112212111181. The reversal of 1112212111101 is 1011112122111.

It is not a de Polignac number, because 1112212111101 - 2¹⁰ = 1112212110077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112212111181) 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 159 ways as a sum of consecutive naturals, for example, 1040422395 + ... + 1040423463.

It is an arithmetic number, because the mean of its divisors is an integer number (11983484688).

Almost surely, 2^{1112212111101} is an apocalyptic number.

It is an amenable number.

1112212111101 is a deficient number, since it is larger than the sum of its proper divisors (805145438979).

1112212111101 is a wasteful number, since it uses less digits than its factorization.

1112212111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1404 counting only the distinct ones).

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

Adding to 1112212111101 its reverse (1011112122111), we get a palindrome (2123324233212).

The spelling of 1112212111101 in words is "one trillion, one hundred twelve billion, two hundred twelve million, one hundred eleven thousand, one hundred one".