22022002121 has 8 divisors (see below), whose sum is σ = 25192003200. Its totient is φ = 18858001248.

The previous prime is 22022002109. The next prime is 22022002127. The reversal of 22022002121 is 12120022022.

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 22022002121 - 2¹⁸ = 22021739977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22022002096 and 22022002105.

It is not an unprimeable number, because it can be changed into a prime (22022002127) 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, 1492181 + ... + 1506866.

It is an arithmetic number, because the mean of its divisors is an integer number (3149000400).

Almost surely, 2^22022002121 is an apocalyptic number.

It is an amenable number.

22022002121 is a deficient number, since it is larger than the sum of its proper divisors (3170001079).

22022002121 is a wasteful number, since it uses less digits than its factorization.

22022002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000103.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22022002121 its reverse (12120022022), we get a palindrome (34142024143).

The spelling of 22022002121 in words is "twenty-two billion, twenty-two million, two thousand, one hundred twenty-one".