22121012002003 has 8 divisors (see below), whose sum is σ = 22172075699760. Its totient is φ = 22070001470880.

The previous prime is 22121012001997. The next prime is 22121012002021. The reversal of 22121012002003 is 30020021012122.

It is a happy number.

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 22121012002003 - 2⁵ = 22121012001971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121012002043) 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, 12458500 + ... + 14122897.

It is an arithmetic number, because the mean of its divisors is an integer number (2771509462470).

Almost surely, 2^{22121012002003} is an apocalyptic number.

22121012002003 is a deficient number, since it is larger than the sum of its proper divisors (51063697757).

22121012002003 is a wasteful number, since it uses less digits than its factorization.

22121012002003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26583317.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22121012002003 its reverse (30020021012122), we get a palindrome (52141033014125).

The spelling of 22121012002003 in words is "twenty-two trillion, one hundred twenty-one billion, twelve million, two thousand, three".