22022120222121 has 16 divisors (see below), whose sum is σ = 31627035165440. Its totient is φ = 13585249193040.

The previous prime is 22022120222119. The next prime is 22022120222177. The reversal of 22022120222121 is 12122202122022.

It is not a de Polignac number, because 22022120222121 - 2¹ = 22022120222119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22022120222111) 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, 4492474135 + ... + 4492479036.

It is an arithmetic number, because the mean of its divisors is an integer number (1976689697840).

Almost surely, 2^{22022120222121} is an apocalyptic number.

It is an amenable number.

22022120222121 is a deficient number, since it is larger than the sum of its proper divisors (9604914943319).

22022120222121 is a wasteful number, since it uses less digits than its factorization.

22022120222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8984953236.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22022120222121 its reverse (12122202122022), we get a palindrome (34144322344143).

The spelling of 22022120222121 in words is "twenty-two trillion, twenty-two billion, one hundred twenty million, two hundred twenty-two thousand, one hundred twenty-one".