200202112021121 has 8 divisors (see below), whose sum is σ = 228805928835264. Its totient is φ = 171599173981200.

The previous prime is 200202112021117. The next prime is 200202112021127. The reversal of 200202112021121 is 121120211202002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 200202112021121 - 2² = 200202112021117 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 200202112021121.

It is not an unprimeable number, because it can be changed into a prime (200202112021127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219205295 + ... + 220116708.

It is an arithmetic number, because the mean of its divisors is an integer number (28600741104408).

Almost surely, 2^{200202112021121} is an apocalyptic number.

It is an amenable number.

200202112021121 is a deficient number, since it is larger than the sum of its proper divisors (28603816814143).

200202112021121 is an equidigital number, since it uses as much as digits as its factorization.

200202112021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439387111.

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

Adding to 200202112021121 its reverse (121120211202002), we get a palindrome (321322323223123).

The spelling of 200202112021121 in words is "two hundred trillion, two hundred two billion, one hundred twelve million, twenty-one thousand, one hundred twenty-one".