22002003121 has 8 divisors (see below), whose sum is σ = 25824745280. Its totient is φ = 18349160688.

The previous prime is 22002003071. The next prime is 22002003187. The reversal of 22002003121 is 12130020022.

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 22002003121 - 2¹³ = 22001994929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22002003521) 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, 42474651 + ... + 42475168.

It is an arithmetic number, because the mean of its divisors is an integer number (3228093160).

Almost surely, 2^22002003121 is an apocalyptic number.

It is an amenable number.

22002003121 is a deficient number, since it is larger than the sum of its proper divisors (3822742159).

22002003121 is an equidigital number, since it uses as much as digits as its factorization.

22002003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84949863.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22002003121 its reverse (12130020022), we get a palindrome (34132023143).

The spelling of 22002003121 in words is "twenty-two billion, two million, three thousand, one hundred twenty-one".