200221221121112 has 32 divisors (see below), whose sum is σ = 377380728652320. Its totient is φ = 99587531662080.

The previous prime is 200221221121073. The next prime is 200221221121123. The reversal of 200221221121112 is 211121122122002.

It is a congruent number.

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, 71851964 + ... + 74586507.

It is an arithmetic number, because the mean of its divisors is an integer number (11793147770385).

Almost surely, 2^{200221221121112} is an apocalyptic number.

It is an amenable number.

200221221121112 is a deficient number, since it is larger than the sum of its proper divisors (177159507531208).

200221221121112 is a wasteful number, since it uses less digits than its factorization.

200221221121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146439371 (or 146439367 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 200221221121112 its reverse (211121122122002), we get a palindrome (411342343243114).

The spelling of 200221221121112 in words is "two hundred trillion, two hundred twenty-one billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred twelve".