211020201221110 has 16 divisors (see below), whose sum is σ = 381934905638832. Its totient is φ = 83941737501600.

The previous prime is 211020201221101. The next prime is 211020201221117. The reversal of 211020201221110 is 11122102020112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211020201221117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58292871456 + ... + 58292875075.

It is an arithmetic number, because the mean of its divisors is an integer number (23870931602427).

Almost surely, 2^{211020201221110} is an apocalyptic number.

211020201221110 is a deficient number, since it is larger than the sum of its proper divisors (170914704417722).

211020201221110 is a wasteful number, since it uses less digits than its factorization.

211020201221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116585746719.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211020201221110 its reverse (11122102020112), we get a palindrome (222142303241222).

The spelling of 211020201221110 in words is "two hundred eleven trillion, twenty billion, two hundred one million, two hundred twenty-one thousand, one hundred ten".