200202120221121 has 12 divisors (see below), whose sum is σ = 299891241813072. Its totient is φ = 133468080147252.

The previous prime is 200202120221087. The next prime is 200202120221123. The reversal of 200202120221121 is 121122021202002.

It is a happy number.

200202120221121 is a `hidden beast` number, since 2 + 0 + 0 + 202 + 120 + 221 + 121 = 666.

It is not a de Polignac number, because 200202120221121 - 2¹⁹ = 200202119696833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200202120221094 and 200202120221103.

It is not an unprimeable number, because it can be changed into a prime (200202120221123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411938518731 + ... + 411938519216.

It is an arithmetic number, because the mean of its divisors is an integer number (24990936817756).

Almost surely, 2^{200202120221121} is an apocalyptic number.

It is an amenable number.

200202120221121 is a deficient number, since it is larger than the sum of its proper divisors (99689121591951).

200202120221121 is an frugal number, since it uses more digits than its factorization.

200202120221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823877037962 (or 823877037950 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200202120221121 its reverse (121122021202002), we get a palindrome (321324141423123).

The spelling of 200202120221121 in words is "two hundred trillion, two hundred two billion, one hundred twenty million, two hundred twenty-one thousand, one hundred twenty-one".