202200222001121 has 4 divisors (see below), whose sum is σ = 202200500685744. Its totient is φ = 202199943316500.

The previous prime is 202200222001111. The next prime is 202200222001123. The reversal of 202200222001121 is 121100222002202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202200222001121 - 2¹⁰ = 202200222000097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202200222001121.

It is not an unprimeable number, because it can be changed into a prime (202200222001123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138251135 + ... + 139706036.

It is an arithmetic number, because the mean of its divisors is an integer number (50550125171436).

Almost surely, 2^{202200222001121} is an apocalyptic number.

It is an amenable number.

202200222001121 is a deficient number, since it is larger than the sum of its proper divisors (278684623).

202200222001121 is an equidigital number, since it uses as much as digits as its factorization.

202200222001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278684622.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202200222001121 its reverse (121100222002202), we get a palindrome (323300444003323).

The spelling of 202200222001121 in words is "two hundred two trillion, two hundred billion, two hundred twenty-two million, one thousand, one hundred twenty-one".