22121000201203 has 4 divisors (see below), whose sum is σ = 22591659780000. Its totient is φ = 21650340622408.

The previous prime is 22121000201197. The next prime is 22121000201213. The reversal of 22121000201203 is 30210200012122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22121000201203 - 2³⁷ = 21983561247731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121000201213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235329789328 + ... + 235329789421.

It is an arithmetic number, because the mean of its divisors is an integer number (5647914945000).

Almost surely, 2^{22121000201203} is an apocalyptic number.

22121000201203 is a deficient number, since it is larger than the sum of its proper divisors (470659578797).

22121000201203 is an equidigital number, since it uses as much as digits as its factorization.

22121000201203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470659578796.

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

Adding to 22121000201203 its reverse (30210200012122), we get a palindrome (52331200213325).

The spelling of 22121000201203 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred one thousand, two hundred three".