22022101010221 has 16 divisors (see below), whose sum is σ = 24221672310528. Its totient is φ = 19894787553600.

The previous prime is 22022101010201. The next prime is 22022101010243. The reversal of 22022101010221 is 12201010122022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22022101010221 - 2²¹ = 22022098913069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22022101010195 and 22022101010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022101010201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14899966 + ... + 16311136.

It is an arithmetic number, because the mean of its divisors is an integer number (1513854519408).

Almost surely, 2^{22022101010221} is an apocalyptic number.

It is an amenable number.

22022101010221 is a deficient number, since it is larger than the sum of its proper divisors (2199571300307).

22022101010221 is a wasteful number, since it uses less digits than its factorization.

22022101010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436772.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22022101010221 its reverse (12201010122022), we get a palindrome (34223111132243).

The spelling of 22022101010221 in words is "twenty-two trillion, twenty-two billion, one hundred one million, ten thousand, two hundred twenty-one".