1112020011021 has 4 divisors (see below), whose sum is σ = 1482693348032. Its totient is φ = 741346674012.

The previous prime is 1112020011017. The next prime is 1112020011073. The reversal of 1112020011021 is 1201100202111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1112020011021 - 2² = 1112020011017 is a prime.

It is a super-3 number, since 3×1112020011021³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112020010988 and 1112020011006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112020011121) 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 3 ways as a sum of consecutive naturals, for example, 185336668501 + ... + 185336668506.

It is an arithmetic number, because the mean of its divisors is an integer number (370673337008).

Almost surely, 2^{1112020011021} is an apocalyptic number.

It is an amenable number.

1112020011021 is a deficient number, since it is larger than the sum of its proper divisors (370673337011).

1112020011021 is an equidigital number, since it uses as much as digits as its factorization.

1112020011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370673337010.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1112020011021 its reverse (1201100202111), we get a palindrome (2313120213132).

The spelling of 1112020011021 in words is "one trillion, one hundred twelve billion, twenty million, eleven thousand, twenty-one".