2222110002021 has 32 divisors (see below), whose sum is σ = 3647524312320. Its totient is φ = 1171785429504.

The previous prime is 2222110001999. The next prime is 2222110002023. The reversal of 2222110002021 is 1202000112222.

It is not a de Polignac number, because 2222110002021 - 2⁹ = 2222110001509 is a prime.

It is a super-2 number, since 2×2222110002021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222110002023) 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 31 ways as a sum of consecutive naturals, for example, 84720 + ... + 2109833.

It is an arithmetic number, because the mean of its divisors is an integer number (113985134760).

Almost surely, 2^{2222110002021} is an apocalyptic number.

2222110002021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2222110002021 is a deficient number, since it is larger than the sum of its proper divisors (1425414310299).

2222110002021 is a wasteful number, since it uses less digits than its factorization.

2222110002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198285.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2222110002021 its reverse (1202000112222), we get a palindrome (3424110114243).

The spelling of 2222110002021 in words is "two trillion, two hundred twenty-two billion, one hundred ten million, two thousand, twenty-one".