200121002092 has 24 divisors (see below), whose sum is σ = 389257665552. Its totient is φ = 89247787200.

The previous prime is 200121002087. The next prime is 200121002129. The reversal of 200121002092 is 290200121002.

200121002092 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42905259 + ... + 42909922.

It is an arithmetic number, because the mean of its divisors is an integer number (16219069398).

Almost surely, 2^200121002092 is an apocalyptic number.

200121002092 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

200121002092 is a deficient number, since it is larger than the sum of its proper divisors (189136663460).

200121002092 is a wasteful number, since it uses less digits than its factorization.

200121002092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85815249 (or 85815247 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 200121002092 its reverse (290200121002), we get a palindrome (490321123094).

The spelling of 200121002092 in words is "two hundred billion, one hundred twenty-one million, two thousand, ninety-two".