1121112111211 has 4 divisors (see below), whose sum is σ = 1123701285112. Its totient is φ = 1118522937312.

The previous prime is 1121112111179. The next prime is 1121112111253.

1121112111211 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121112111211 - 2⁵ = 1121112111179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121112111311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1294586301 + ... + 1294587166.

It is an arithmetic number, because the mean of its divisors is an integer number (280925321278).

Almost surely, 2^{1121112111211} is an apocalyptic number.

1121112111211 is a deficient number, since it is larger than the sum of its proper divisors (2589173901).

1121112111211 is an equidigital number, since it uses as much as digits as its factorization.

1121112111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589173900.

The product of its digits is 8, while the sum is 16.

The spelling of 1121112111211 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, one hundred eleven thousand, two hundred eleven".