22002320121 has 8 divisors (see below), whose sum is σ = 29364666240. Its totient is φ = 14654093712.

The previous prime is 22002320111. The next prime is 22002320129. The reversal of 22002320121 is 12102320022.

It is a happy number.

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

It is not a de Polignac number, because 22002320121 - 2⁵ = 22002320089 is a prime.

It is a super-2 number, since 2×22002320121² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22002320121.

It is not an unprimeable number, because it can be changed into a prime (22002320129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3526290 + ... + 3532523.

It is an arithmetic number, because the mean of its divisors is an integer number (3670583280).

Almost surely, 2^22002320121 is an apocalyptic number.

It is an amenable number.

22002320121 is a deficient number, since it is larger than the sum of its proper divisors (7362346119).

22002320121 is a wasteful number, since it uses less digits than its factorization.

22002320121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7059855.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22002320121 its reverse (12102320022), we get a palindrome (34104640143).

Subtracting from 22002320121 its reverse (12102320022), we obtain a palindrome (9900000099).

The spelling of 22002320121 in words is "twenty-two billion, two million, three hundred twenty thousand, one hundred twenty-one".