221120201210 has 64 divisors (see below), whose sum is σ = 404998963200. Its totient is φ = 86912274240.

The previous prime is 221120201209. The next prime is 221120201249. The reversal of 221120201210 is 12102021122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88340819 + ... + 88343321.

It is an arithmetic number, because the mean of its divisors is an integer number (6328108800).

Almost surely, 2^221120201210 is an apocalyptic number.

221120201210 is a deficient number, since it is larger than the sum of its proper divisors (183878761990).

221120201210 is a wasteful number, since it uses less digits than its factorization.

221120201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221120201210 its reverse (12102021122), we get a palindrome (233222222332).

The spelling of 221120201210 in words is "two hundred twenty-one billion, one hundred twenty million, two hundred one thousand, two hundred ten".