22022002002121 has 8 divisors (see below), whose sum is σ = 24024036888864. Its totient is φ = 20019972899520.

The previous prime is 22022002002113. The next prime is 22022002002139. The reversal of 22022002002121 is 12120020022022.

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

It is not a de Polignac number, because 22022002002121 - 2³ = 22022002002113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22022002002095 and 22022002002104.

It is not an unprimeable number, because it can be changed into a prime (22022002000121) 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, 11752486 + ... + 13496848.

It is an arithmetic number, because the mean of its divisors is an integer number (3003004611108).

Almost surely, 2^{22022002002121} is an apocalyptic number.

It is an amenable number.

22022002002121 is a deficient number, since it is larger than the sum of its proper divisors (2002034886743).

22022002002121 is a wasteful number, since it uses less digits than its factorization.

22022002002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892071.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22022002002121 its reverse (12120020022022), we get a palindrome (34142022024143).

The spelling of 22022002002121 in words is "twenty-two trillion, twenty-two billion, two million, two thousand, one hundred twenty-one".