200321000122 has 4 divisors (see below), whose sum is σ = 300481500186. Its totient is φ = 100160500060.

The previous prime is 200321000111. The next prime is 200321000129. The reversal of 200321000122 is 221000123002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221000123002 = 2 ⋅110500061501.

It can be written as a sum of positive squares in only one way, i.e., 131414225121 + 68906775001 = 362511^2 + 262501^2 .

It is not an unprimeable number, because it can be changed into a prime (200321000129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50080250029 + ... + 50080250032.

Almost surely, 2^200321000122 is an apocalyptic number.

200321000122 is a deficient number, since it is larger than the sum of its proper divisors (100160500064).

200321000122 is a wasteful number, since it uses less digits than its factorization.

200321000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100160500063.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 200321000122 its reverse (221000123002), we get a palindrome (421321123124).

The spelling of 200321000122 in words is "two hundred billion, three hundred twenty-one million, one hundred twenty-two", and thus it is an aban number.