200221221201100 has 36 divisors (see below), whose sum is σ = 473978236373208. Its totient is φ = 72807716800000.

The previous prime is 200221221201061. The next prime is 200221221201103. The reversal of 200221221201100 is 1102122122002.

It is a happy number.

It is a super-2 number, since 2×200221221201100² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200221221201103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91009644901 + ... + 91009647100.

It is an arithmetic number, because the mean of its divisors is an integer number (13166062121478).

Almost surely, 2^{200221221201100} is an apocalyptic number.

200221221201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200221221201100 is an abundant number, since it is smaller than the sum of its proper divisors (273757015172108).

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

200221221201100 is a wasteful number, since it uses less digits than its factorization.

200221221201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182019292026 (or 182019292019 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200221221201100 its reverse (1102122122002), we get a palindrome (201323343323102).

The spelling of 200221221201100 in words is "two hundred trillion, two hundred twenty-one billion, two hundred twenty-one million, two hundred one thousand, one hundred".