1110002021021 has 8 divisors (see below), whose sum is σ = 1118236344960. Its totient is φ = 1101769612128.

The previous prime is 1110002021003. The next prime is 1110002021041. The reversal of 1110002021021 is 1201202000111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110002021021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110002020993 and 1110002021011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110002021041) 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, 695420 + ... + 1644266.

It is an arithmetic number, because the mean of its divisors is an integer number (139779543120).

Almost surely, 2^{1110002021021} is an apocalyptic number.

It is an amenable number.

1110002021021 is a deficient number, since it is larger than the sum of its proper divisors (8234323939).

1110002021021 is an equidigital number, since it uses as much as digits as its factorization.

1110002021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957523.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1110002021021 its reverse (1201202000111), we get a palindrome (2311204021132).

The spelling of 1110002021021 in words is "one trillion, one hundred ten billion, two million, twenty-one thousand, twenty-one".