1111122211101 has 32 divisors (see below), whose sum is σ = 1756538880000. Its totient is φ = 611357725440.

The previous prime is 1111122211093. The next prime is 1111122211109. The reversal of 1111122211101 is 1011122211111.

It is an interprime number because it is at equal distance from previous prime (1111122211093) and next prime (1111122211109).

It is not a de Polignac number, because 1111122211101 - 2³ = 1111122211093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111122211109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4158876 + ... + 4417973.

It is an arithmetic number, because the mean of its divisors is an integer number (54891840000).

Almost surely, 2^{1111122211101} is an apocalyptic number.

It is an amenable number.

1111122211101 is a deficient number, since it is larger than the sum of its proper divisors (645416668899).

1111122211101 is a wasteful number, since it uses less digits than its factorization.

1111122211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8577089.

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

Adding to 1111122211101 its reverse (1011122211111), we get a palindrome (2122244422212).

The spelling of 1111122211101 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, two hundred eleven thousand, one hundred one".