1112211002021 has 8 divisors (see below), whose sum is σ = 1337998198080. Its totient is φ = 903148783488.

The previous prime is 1112211002017. The next prime is 1112211002033. The reversal of 1112211002021 is 1202001122111.

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

It is not a de Polignac number, because 1112211002021 - 2² = 1112211002017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112211001987 and 1112211002005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112211008021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4181244236 + ... + 4181244501.

It is an arithmetic number, because the mean of its divisors is an integer number (167249774760).

Almost surely, 2^{1112211002021} is an apocalyptic number.

It is an amenable number.

1112211002021 is a deficient number, since it is larger than the sum of its proper divisors (225787196059).

1112211002021 is an equidigital number, since it uses as much as digits as its factorization.

1112211002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8362488763.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1112211002021 its reverse (1202001122111), we get a palindrome (2314212124132).

The spelling of 1112211002021 in words is "one trillion, one hundred twelve billion, two hundred eleven million, two thousand, twenty-one".