222120000200121 has 32 divisors (see below), whose sum is σ = 313938487296000. Its totient is φ = 139210696417536.

The previous prime is 222120000200107. The next prime is 222120000200143. The reversal of 222120000200121 is 121002000021222.

It is not a de Polignac number, because 222120000200121 - 2⁵ = 222120000200089 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222120000200121.

It is not an unprimeable number, because it can be changed into a prime (222120000200171) 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, 159058890 + ... + 160449276.

It is an arithmetic number, because the mean of its divisors is an integer number (9810577728000).

Almost surely, 2^{222120000200121} is an apocalyptic number.

It is an amenable number.

222120000200121 is a deficient number, since it is larger than the sum of its proper divisors (91818487095879).

222120000200121 is a wasteful number, since it uses less digits than its factorization.

222120000200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393973.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222120000200121 its reverse (121002000021222), we get a palindrome (343122000221343).

The spelling of 222120000200121 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred thousand, one hundred twenty-one".