201101112211220 has 24 divisors (see below), whose sum is σ = 454797899924424. Its totient is φ = 74252718354816.

The previous prime is 201101112211211. The next prime is 201101112211247. The reversal of 201101112211220 is 22112211101102.

201101112211220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14024261030404 + 187076851180816 = 3744898^2 + 13677604^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386732907839 + ... + 386732908358.

It is an arithmetic number, because the mean of its divisors is an integer number (18949912496851).

Almost surely, 2^{201101112211220} is an apocalyptic number.

201101112211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201101112211220 is an abundant number, since it is smaller than the sum of its proper divisors (253696787713204).

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

201101112211220 is a wasteful number, since it uses less digits than its factorization.

201101112211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773465816219 (or 773465816217 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201101112211220 its reverse (22112211101102), we get a palindrome (223213323312322).

The spelling of 201101112211220 in words is "two hundred one trillion, one hundred one billion, one hundred twelve million, two hundred eleven thousand, two hundred twenty".