200121320221030 has 64 divisors (see below), whose sum is σ = 388786387852800. Its totient is φ = 73727386905600.

The previous prime is 200121320221003. The next prime is 200121320221057. The reversal of 200121320221030 is 30122023121002.

It is an interprime number because it is at equal distance from previous prime (200121320221003) and next prime (200121320221057).

It is a junction number, because it is equal to n+sod(n) for n = 200121320220989 and 200121320221007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 503503380 + ... + 503900680.

It is an arithmetic number, because the mean of its divisors is an integer number (6074787310200).

Almost surely, 2^{200121320221030} is an apocalyptic number.

200121320221030 is a deficient number, since it is larger than the sum of its proper divisors (188665067631770).

200121320221030 is a wasteful number, since it uses less digits than its factorization.

200121320221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405889.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 200121320221030 its reverse (30122023121002), we get a palindrome (230243343342032).

The spelling of 200121320221030 in words is "two hundred trillion, one hundred twenty-one billion, three hundred twenty million, two hundred twenty-one thousand, thirty".