200121221032 has 32 divisors (see below), whose sum is σ = 380878444800. Its totient is φ = 98554034304.

The previous prime is 200121221023. The next prime is 200121221057. The reversal of 200121221032 is 230122121002.

It is a happy number.

It is a super-3 number, since 3×200121221032³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200121220997 and 200121221015.

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, 4915753 + ... + 4956295.

It is an arithmetic number, because the mean of its divisors is an integer number (11902451400).

Almost surely, 2^200121221032 is an apocalyptic number.

It is an amenable number.

200121221032 is a deficient number, since it is larger than the sum of its proper divisors (180757223768).

200121221032 is a wasteful number, since it uses less digits than its factorization.

200121221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49825 (or 49821 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 200121221032 its reverse (230122121002), we get a palindrome (430243342034).

The spelling of 200121221032 in words is "two hundred billion, one hundred twenty-one million, two hundred twenty-one thousand, thirty-two".