1110021102021 has 16 divisors (see below), whose sum is σ = 1593896058944. Its totient is φ = 683081506944.

The previous prime is 1110021101999. The next prime is 1110021102061. The reversal of 1110021102021 is 1202011200111.

It is not a de Polignac number, because 1110021102021 - 2¹⁰ = 1110021100997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1110021101988 and 1110021102006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110021102061) 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 15 ways as a sum of consecutive naturals, for example, 4895850 + ... + 5117556.

It is an arithmetic number, because the mean of its divisors is an integer number (99618503684).

Almost surely, 2^{1110021102021} is an apocalyptic number.

It is an amenable number.

1110021102021 is a deficient number, since it is larger than the sum of its proper divisors (483874956923).

1110021102021 is a wasteful number, since it uses less digits than its factorization.

1110021102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350100.

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

Adding to 1110021102021 its reverse (1202011200111), we get a palindrome (2312032302132).

The spelling of 1110021102021 in words is "one trillion, one hundred ten billion, twenty-one million, one hundred two thousand, twenty-one".