22022210021121 has 12 divisors (see below), whose sum is σ = 32020520238720. Its totient is φ = 14584245046200.

The previous prime is 22022210021111. The next prime is 22022210021153. The reversal of 22022210021121 is 12112001222022.

It is a happy number.

22022210021121 is a `hidden beast` number, since 220 + 2 + 2 + 210 + 0 + 211 + 21 = 666.

It is not a de Polignac number, because 22022210021121 - 2⁵ = 22022210021089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22022210021094 and 22022210021103.

It is not an unprimeable number, because it can be changed into a prime (22022210021111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8102357001 + ... + 8102359718.

It is an arithmetic number, because the mean of its divisors is an integer number (2668376686560).

Almost surely, 2^{22022210021121} is an apocalyptic number.

It is an amenable number.

22022210021121 is a deficient number, since it is larger than the sum of its proper divisors (9998310217599).

22022210021121 is a wasteful number, since it uses less digits than its factorization.

22022210021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16204716876 (or 16204716873 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22022210021121 its reverse (12112001222022), we get a palindrome (34134211243143).

The spelling of 22022210021121 in words is "twenty-two trillion, twenty-two billion, two hundred ten million, twenty-one thousand, one hundred twenty-one".