201100000221210 has 64 divisors (see below), whose sum is σ = 485408195887104. Its totient is φ = 53319368731200.

The previous prime is 201100000221191. The next prime is 201100000221277. The reversal of 201100000221210 is 12122000001102.

201100000221210 is a modest number, since divided by 221210 gives 20110 as remainder.

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, 2797027 + ... + 20249033.

It is an arithmetic number, because the mean of its divisors is an integer number (7584503060736).

Almost surely, 2^{201100000221210} is an apocalyptic number.

201100000221210 is an abundant number, since it is smaller than the sum of its proper divisors (284308195665894).

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

201100000221210 is a wasteful number, since it uses less digits than its factorization.

201100000221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17454219.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201100000221210 its reverse (12122000001102), we get a palindrome (213222000222312).

The spelling of 201100000221210 in words is "two hundred one trillion, one hundred billion, two hundred twenty-one thousand, two hundred ten".