222121200213 has 32 divisors (see below), whose sum is σ = 359256144000. Its totient is φ = 134516764800.

The previous prime is 222121200193. The next prime is 222121200229. The reversal of 222121200213 is 312002121222.

It is not a de Polignac number, because 222121200213 - 2¹² = 222121196117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222121200263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109263 + ... + 675411.

It is an arithmetic number, because the mean of its divisors is an integer number (11226754500).

Almost surely, 2^222121200213 is an apocalyptic number.

It is an amenable number.

222121200213 is a deficient number, since it is larger than the sum of its proper divisors (137134943787).

222121200213 is a wasteful number, since it uses less digits than its factorization.

222121200213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567490 (or 567484 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222121200213 its reverse (312002121222), we get a palindrome (534123321435).

The spelling of 222121200213 in words is "two hundred twenty-two billion, one hundred twenty-one million, two hundred thousand, two hundred thirteen".