20201102221011 has 64 divisors (see below), whose sum is σ = 30180443174400. Its totient is φ = 11962767108096.

The previous prime is 20201102221009. The next prime is 20201102221061. The reversal of 20201102221011 is 11012220110202.

It is not a de Polignac number, because 20201102221011 - 2¹ = 20201102221009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20201102221061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31671435 + ... + 32302971.

It is an arithmetic number, because the mean of its divisors is an integer number (471569424600).

Almost surely, 2^{20201102221011} is an apocalyptic number.

20201102221011 is a deficient number, since it is larger than the sum of its proper divisors (9979340953389).

20201102221011 is a wasteful number, since it uses less digits than its factorization.

20201102221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632148.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20201102221011 its reverse (11012220110202), we get a palindrome (31213322331213).

The spelling of 20201102221011 in words is "twenty trillion, two hundred one billion, one hundred two million, two hundred twenty-one thousand, eleven".