2221122302021 has 16 divisors (see below), whose sum is σ = 2563788931200. Its totient is φ = 1884799924800.

The previous prime is 2221122302017. The next prime is 2221122302023. The reversal of 2221122302021 is 1202032211222.

It is a cyclic number.

It is not a de Polignac number, because 2221122302021 - 2² = 2221122302017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221122301984 and 2221122302002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221122302023) 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, 8063630 + ... + 8334528.

It is an arithmetic number, because the mean of its divisors is an integer number (160236808200).

Almost surely, 2^{2221122302021} is an apocalyptic number.

It is an amenable number.

2221122302021 is a deficient number, since it is larger than the sum of its proper divisors (342666629179).

2221122302021 is a wasteful number, since it uses less digits than its factorization.

2221122302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282604.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2221122302021 its reverse (1202032211222), we get a palindrome (3423154513243).

The spelling of 2221122302021 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-two million, three hundred two thousand, twenty-one".