220201211221010 has 32 divisors (see below), whose sum is σ = 397268004650544. Its totient is φ = 87879389184000.

The previous prime is 220201211220983. The next prime is 220201211221021. The reversal of 220201211221010 is 10122112102022.

It can be written as a sum of positive squares in 8 ways, for example, as 170441406413041 + 49759804807969 = 13055321^2 + 7054063^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220201211221010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3585431 + ... + 21289850.

Almost surely, 2^{220201211221010} is an apocalyptic number.

220201211221010 is a deficient number, since it is larger than the sum of its proper divisors (177066793429534).

220201211221010 is a wasteful number, since it uses less digits than its factorization.

220201211221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24877310.

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

Adding to 220201211221010 its reverse (10122112102022), we get a palindrome (230323323323032).

The spelling of 220201211221010 in words is "two hundred twenty trillion, two hundred one billion, two hundred eleven million, two hundred twenty-one thousand, ten".