201011221211120 has 160 divisors (see below), whose sum is σ = 498906853632000. Its totient is φ = 75095380039680.

The previous prime is 201011221211111. The next prime is 201011221211161. The reversal of 201011221211120 is 21112122110102.

It is a super-2 number, since 2×201011221211120² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 2253217076 + ... + 2253306284.

It is an arithmetic number, because the mean of its divisors is an integer number (3118167835200).

Almost surely, 2^{201011221211120} is an apocalyptic number.

201011221211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201011221211120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249453426816000).

201011221211120 is an abundant number, since it is smaller than the sum of its proper divisors (297895632420880).

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

201011221211120 is a wasteful number, since it uses less digits than its factorization.

201011221211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110191 (or 110185 counting only the distinct ones).

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

Adding to 201011221211120 its reverse (21112122110102), we get a palindrome (222123343321222).

The spelling of 201011221211120 in words is "two hundred one trillion, eleven billion, two hundred twenty-one million, two hundred eleven thousand, one hundred twenty".