200121133294 has 32 divisors (see below), whose sum is σ = 316893780000. Its totient is φ = 94520577024.

The previous prime is 200121133279. The next prime is 200121133301. The reversal of 200121133294 is 492331121002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50166252 + ... + 50170240.

It is an arithmetic number, because the mean of its divisors is an integer number (9902930625).

Almost surely, 2^200121133294 is an apocalyptic number.

200121133294 is a deficient number, since it is larger than the sum of its proper divisors (116772646706).

200121133294 is a wasteful number, since it uses less digits than its factorization.

200121133294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7492.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 200121133294 its reverse (492331121002), we get a palindrome (692452254296).

The spelling of 200121133294 in words is "two hundred billion, one hundred twenty-one million, one hundred thirty-three thousand, two hundred ninety-four".