1111210002021 has 8 divisors (see below), whose sum is σ = 1693272384064. Its totient is φ = 634977144000.

The previous prime is 1111210001989. The next prime is 1111210002041. The reversal of 1111210002021 is 1202000121111.

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

It is not a de Polignac number, because 1111210002021 - 2⁵ = 1111210001989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111210001988 and 1111210002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111210002041) 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 7 ways as a sum of consecutive naturals, for example, 26457380980 + ... + 26457381021.

It is an arithmetic number, because the mean of its divisors is an integer number (211659048008).

Almost surely, 2^{1111210002021} is an apocalyptic number.

It is an amenable number.

1111210002021 is a deficient number, since it is larger than the sum of its proper divisors (582062382043).

1111210002021 is an equidigital number, since it uses as much as digits as its factorization.

1111210002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52914762011.

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

Adding to 1111210002021 its reverse (1202000121111), we get a palindrome (2313210123132).

The spelling of 1111210002021 in words is "one trillion, one hundred eleven billion, two hundred ten million, two thousand, twenty-one".