200221111021220 has 24 divisors (see below), whose sum is σ = 423286241427000. Its totient is φ = 79550938068992.

The previous prime is 200221111021193. The next prime is 200221111021241. The reversal of 200221111021220 is 22120111122002.

200221111021220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6303955949824 + 193917155071396 = 2510768^2 + 13925414^2 .

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, 33594143165 + ... + 33594149124.

It is an arithmetic number, because the mean of its divisors is an integer number (17636926726125).

Almost surely, 2^{200221111021220} is an apocalyptic number.

200221111021220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200221111021220 is an abundant number, since it is smaller than the sum of its proper divisors (223065130405780).

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

200221111021220 is a wasteful number, since it uses less digits than its factorization.

200221111021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67188292447 (or 67188292445 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200221111021220 its reverse (22120111122002), we get a palindrome (222341222143222).

The spelling of 200221111021220 in words is "two hundred trillion, two hundred twenty-one billion, one hundred eleven million, twenty-one thousand, two hundred twenty".