202200210121 has 16 divisors (see below), whose sum is σ = 248873505664. Its totient is φ = 159975057024.

The previous prime is 202200210101. The next prime is 202200210127. The reversal of 202200210121 is 121012002202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 202200210121 - 2¹⁹ = 202199685833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (202200210127) 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, 2663725 + ... + 2738581.

It is an arithmetic number, because the mean of its divisors is an integer number (15554594104).

Almost surely, 2^202200210121 is an apocalyptic number.

It is an amenable number.

202200210121 is a deficient number, since it is larger than the sum of its proper divisors (46673295543).

202200210121 is a wasteful number, since it uses less digits than its factorization.

202200210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104560.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202200210121 its reverse (121012002202), we get a palindrome (323212212323).

The spelling of 202200210121 in words is "two hundred two billion, two hundred million, two hundred ten thousand, one hundred twenty-one".