22121000200003 has 16 divisors (see below), whose sum is σ = 22920508051200. Its totient is φ = 21326870039040.

The previous prime is 22121000199983. The next prime is 22121000200129. The reversal of 22121000200003 is 30000200012122.

It is a cyclic number.

It is not a de Polignac number, because 22121000200003 - 2¹³ = 22121000191811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121000200603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242060503 + ... + 242151871.

It is an arithmetic number, because the mean of its divisors is an integer number (1432531753200).

Almost surely, 2^{22121000200003} is an apocalyptic number.

22121000200003 is a deficient number, since it is larger than the sum of its proper divisors (799507851197).

22121000200003 is a wasteful number, since it uses less digits than its factorization.

22121000200003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120702.

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

Adding to 22121000200003 its reverse (30000200012122), we get a palindrome (52121200212125).

The spelling of 22121000200003 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred thousand, three".