200221121101110 has 64 divisors (see below), whose sum is σ = 486144275904000. Its totient is φ = 52769096559872.

The previous prime is 200221121101087. The next prime is 200221121101117. The reversal of 200221121101110 is 11101121122002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 200221121101110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200221121101117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10486410 + ... + 22592189.

It is an arithmetic number, because the mean of its divisors is an integer number (7596004311000).

Almost surely, 2^{200221121101110} is an apocalyptic number.

200221121101110 is an abundant number, since it is smaller than the sum of its proper divisors (285923154802890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200221121101110 is a wasteful number, since it uses less digits than its factorization.

200221121101110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33080965.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 200221121101110 its reverse (11101121122002), we get a palindrome (211322242223112).

The spelling of 200221121101110 in words is "two hundred trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred one thousand, one hundred ten".