2220002004021 has 16 divisors (see below), whose sum is σ = 3000286900800. Its totient is φ = 1459994859648.

The previous prime is 2220002003993. The next prime is 2220002004029. The reversal of 2220002004021 is 1204002000222.

It is not a de Polignac number, because 2220002004021 - 2¹³ = 2220001995829 is a prime.

It is a super-2 number, since 2×2220002004021² (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 (2220002004029) 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, 16889136 + ... + 17020073.

It is an arithmetic number, because the mean of its divisors is an integer number (187517931300).

Almost surely, 2^{2220002004021} is an apocalyptic number.

It is an amenable number.

2220002004021 is a deficient number, since it is larger than the sum of its proper divisors (780284896779).

2220002004021 is a wasteful number, since it uses less digits than its factorization.

2220002004021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33909508.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2220002004021 its reverse (1204002000222), we get a palindrome (3424004004243).

The spelling of 2220002004021 in words is "two trillion, two hundred twenty billion, two million, four thousand, twenty-one".