220110002021 has 16 divisors (see below), whose sum is σ = 271031625984. Its totient is φ = 174071320704.

The previous prime is 220110001999. The next prime is 220110002027. The reversal of 220110002021 is 120200011022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220110002021 - 2¹⁸ = 220109739877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220110001993 and 220110002011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220110002027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371465 + ... + 760398.

It is an arithmetic number, because the mean of its divisors is an integer number (16939476624).

Almost surely, 2^220110002021 is an apocalyptic number.

It is an amenable number.

220110002021 is a deficient number, since it is larger than the sum of its proper divisors (50921623963).

220110002021 is a wasteful number, since it uses less digits than its factorization.

220110002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134020.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220110002021 its reverse (120200011022), we get a palindrome (340310013043).

Subtracting from 220110002021 its reverse (120200011022), we obtain a palindrome (99909990999).

The spelling of 220110002021 in words is "two hundred twenty billion, one hundred ten million, two thousand, twenty-one".