1112121021011 has 32 divisors (see below), whose sum is σ = 1506411744768. Its totient is φ = 792848125440.

The previous prime is 1112121020999. The next prime is 1112121021097. The reversal of 1112121021011 is 1101201212111.

It is not a de Polignac number, because 1112121021011 - 2³⁰ = 1111047279187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1112121021311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4802861 + ... + 5029086.

It is an arithmetic number, because the mean of its divisors is an integer number (47075367024).

Almost surely, 2^{1112121021011} is an apocalyptic number.

1112121021011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1112121021011 is a deficient number, since it is larger than the sum of its proper divisors (394290723757).

1112121021011 is a wasteful number, since it uses less digits than its factorization.

1112121021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9832091.

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

Adding to 1112121021011 its reverse (1101201212111), we get a palindrome (2213322233122).

The spelling of 1112121021011 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, twenty-one thousand, eleven".