110002002021 has 8 divisors (see below), whose sum is σ = 162965928960. Its totient is φ = 73334667996.

The previous prime is 110002002013. The next prime is 110002002023. The reversal of 110002002021 is 120200200011.

It is not a de Polignac number, because 110002002021 - 2³ = 110002002013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 110002001994 and 110002002012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110002002023) 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, 2037074085 + ... + 2037074138.

It is an arithmetic number, because the mean of its divisors is an integer number (20370741120).

Almost surely, 2^110002002021 is an apocalyptic number.

It is an amenable number.

110002002021 is a deficient number, since it is larger than the sum of its proper divisors (52963926939).

110002002021 is an equidigital number, since it uses as much as digits as its factorization.

110002002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074148232 (or 4074148226 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 110002002021 its reverse (120200200011), we get a palindrome (230202202032).

It can be divided in two parts, 11000 and 2002021, that added together give a triangular number (2013021 = T₂₀₀₆).

The spelling of 110002002021 in words is "one hundred ten billion, two million, two thousand, twenty-one".