202202200121 has 16 divisors (see below), whose sum is σ = 217849832640. Its totient is φ = 187057382400.

The previous prime is 202202200073. The next prime is 202202200129. The reversal of 202202200121 is 121002202202.

It is a cyclic number.

It is not a de Polignac number, because 202202200121 - 2¹⁰ = 202202199097 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 = 202202200096 and 202202200105.

It is not an unprimeable number, because it can be changed into a prime (202202200129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3402761 + ... + 3461673.

It is an arithmetic number, because the mean of its divisors is an integer number (13615614540).

Almost surely, 2^202202200121 is an apocalyptic number.

It is an amenable number.

202202200121 is a deficient number, since it is larger than the sum of its proper divisors (15647632519).

202202200121 is a wasteful number, since it uses less digits than its factorization.

202202200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63176.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202202200121 its reverse (121002202202), we get a palindrome (323204402323).

The spelling of 202202200121 in words is "two hundred two billion, two hundred two million, two hundred thousand, one hundred twenty-one".