22200001021121 has 16 divisors (see below), whose sum is σ = 28242778934400. Its totient is φ = 17298702091440.

The previous prime is 22200001021111. The next prime is 22200001021147. The reversal of 22200001021121 is 12112010000222.

It is not a de Polignac number, because 22200001021121 - 2¹⁰ = 22200001020097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22200001021096 and 22200001021105.

It is not an unprimeable number, because it can be changed into a prime (22200001021111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2941952366 + ... + 2941959911.

It is an arithmetic number, because the mean of its divisors is an integer number (1765173683400).

Almost surely, 2^{22200001021121} is an apocalyptic number.

It is an amenable number.

22200001021121 is a deficient number, since it is larger than the sum of its proper divisors (6042777913279).

22200001021121 is an equidigital number, since it uses as much as digits as its factorization.

22200001021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5883912309 (or 5883912295 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22200001021121 its reverse (12112010000222), we get a palindrome (34312011021343).

The spelling of 22200001021121 in words is "twenty-two trillion, two hundred billion, one million, twenty-one thousand, one hundred twenty-one".