1111112110101 has 128 divisors (see below), whose sum is σ = 1783260288000. Its totient is φ = 614921932800.

The previous prime is 1111112110093. The next prime is 1111112110109. The reversal of 1111112110101 is 1010112111111.

It is an interprime number because it is at equal distance from previous prime (1111112110093) and next prime (1111112110109).

It is not a de Polignac number, because 1111112110101 - 2³ = 1111112110093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111112110109) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1039393395 + ... + 1039394463.

It is an arithmetic number, because the mean of its divisors is an integer number (13931721000).

Almost surely, 2^{1111112110101} is an apocalyptic number.

It is an amenable number.

1111112110101 is a deficient number, since it is larger than the sum of its proper divisors (672148177899).

1111112110101 is a wasteful number, since it uses less digits than its factorization.

1111112110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404 (or 1390 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 1111112110101 its reverse (1010112111111), we get a palindrome (2121224221212).

The spelling of 1111112110101 in words is "one trillion, one hundred eleven billion, one hundred twelve million, one hundred ten thousand, one hundred one".