22022122212121 has 8 divisors (see below), whose sum is σ = 22052743522400. Its totient is φ = 21991503123360.

The previous prime is 22022122212119. The next prime is 22022122212127. The reversal of 22022122212121 is 12121222122022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22022122212121 - 2¹ = 22022122212119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22022122212092 and 22022122212101.

It is not an unprimeable number, because it can be changed into a prime (22022122212127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19802686 + ... + 20885176.

It is an arithmetic number, because the mean of its divisors is an integer number (2756592940300).

Almost surely, 2^{22022122212121} is an apocalyptic number.

It is an amenable number.

22022122212121 is a deficient number, since it is larger than the sum of its proper divisors (30621310279).

22022122212121 is a wasteful number, since it uses less digits than its factorization.

22022122212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110759.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22022122212121 its reverse (12121222122022), we get a palindrome (34143344334143).

Subtracting from 22022122212121 its reverse (12121222122022), we obtain a palindrome (9900900090099).

The spelling of 22022122212121 in words is "twenty-two trillion, twenty-two billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twenty-one".