200121320012222 has 12 divisors (see below), whose sum is σ = 349191282878640. Its totient is φ = 85766280005196.

The previous prime is 200121320012179. The next prime is 200121320012329. The reversal of 200121320012222 is 222210023121002.

It is a junction number, because it is equal to n+sod(n) for n = 200121320012194 and 200121320012203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1021027142822 + ... + 1021027143017.

It is an arithmetic number, because the mean of its divisors is an integer number (29099273573220).

Almost surely, 2^{200121320012222} is an apocalyptic number.

200121320012222 is a deficient number, since it is larger than the sum of its proper divisors (149069962866418).

200121320012222 is a wasteful number, since it uses less digits than its factorization.

200121320012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042054285855 (or 2042054285848 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 200121320012222 its reverse (222210023121002), we get a palindrome (422331343133224).

The spelling of 200121320012222 in words is "two hundred trillion, one hundred twenty-one billion, three hundred twenty million, twelve thousand, two hundred twenty-two".