200301212121 has 64 divisors (see below), whose sum is σ = 292875264000. Its totient is φ = 121283447040.

The previous prime is 200301212093. The next prime is 200301212123. The reversal of 200301212121 is 121212103002.

It is not a de Polignac number, because 200301212121 - 2⁷ = 200301211993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200301212121.

It is not an unprimeable number, because it can be changed into a prime (200301212123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 187371975 + ... + 187373043.

It is an arithmetic number, because the mean of its divisors is an integer number (4576176000).

Almost surely, 2^200301212121 is an apocalyptic number.

It is an amenable number.

200301212121 is a deficient number, since it is larger than the sum of its proper divisors (92574051879).

200301212121 is a wasteful number, since it uses less digits than its factorization.

200301212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 200301212121 its reverse (121212103002), we get a palindrome (321513315123).

The spelling of 200301212121 in words is "two hundred billion, three hundred one million, two hundred twelve thousand, one hundred twenty-one".