1121212110011 has 8 divisors (see below), whose sum is σ = 1322720277504. Its totient is φ = 930037694760.

The previous prime is 1121212109971. The next prime is 1121212110017. The reversal of 1121212110011 is 1100112121211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1121212110011 - 2²⁶ = 1121145001147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121212110017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2583437825 + ... + 2583438258.

It is an arithmetic number, because the mean of its divisors is an integer number (165340034688).

Almost surely, 2^{1121212110011} is an apocalyptic number.

1121212110011 is a deficient number, since it is larger than the sum of its proper divisors (201508167493).

1121212110011 is an equidigital number, since it uses as much as digits as its factorization.

1121212110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166876121.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1121212110011 its reverse (1100112121211), we get a palindrome (2221324231222).

The spelling of 1121212110011 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, one hundred ten thousand, eleven".