1112020000021 has 8 divisors (see below), whose sum is σ = 1270886839424. Its totient is φ = 953154870480.

The previous prime is 1112020000001. The next prime is 1112020000051. The reversal of 1112020000021 is 1200000202111.

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

It is a cyclic number.

It is not a de Polignac number, because 1112020000021 - 2¹¹ = 1112019997973 is a prime.

It is a super-3 number, since 3×1112020000021³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112019999962 and 1112020000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112020000001) 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, 1619911 + ... + 2201851.

It is an arithmetic number, because the mean of its divisors is an integer number (158860854928).

Almost surely, 2^{1112020000021} is an apocalyptic number.

It is an amenable number.

1112020000021 is a deficient number, since it is larger than the sum of its proper divisors (158866839403).

1112020000021 is an equidigital number, since it uses as much as digits as its factorization.

1112020000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854931.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1112020000021 its reverse (1200000202111), we get a palindrome (2312020202132).

The spelling of 1112020000021 in words is "one trillion, one hundred twelve billion, twenty million, twenty-one", and thus it is an aban number.