202200120121121 has 16 divisors (see below), whose sum is σ = 210017586585600. Its totient is φ = 194529614695248.

The previous prime is 202200120121093. The next prime is 202200120121151. The reversal of 202200120121121 is 121121021002202.

It is a cyclic number.

It is not a de Polignac number, because 202200120121121 - 2¹⁸ = 202200119858977 is a prime.

It is a super-2 number, since 2×202200120121121² (a number of 29 digits) contains 22 as substring.

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 202200120121121.

It is not an unprimeable number, because it can be changed into a prime (202200120121151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35515760 + ... + 40813838.

It is an arithmetic number, because the mean of its divisors is an integer number (13126099161600).

Almost surely, 2^{202200120121121} is an apocalyptic number.

It is an amenable number.

202200120121121 is a deficient number, since it is larger than the sum of its proper divisors (7817466464479).

202200120121121 is a wasteful number, since it uses less digits than its factorization.

202200120121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5311948.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202200120121121 its reverse (121121021002202), we get a palindrome (323321141123323).

The spelling of 202200120121121 in words is "two hundred two trillion, two hundred billion, one hundred twenty million, one hundred twenty-one thousand, one hundred twenty-one".