201120211020 has 48 divisors (see below), whose sum is σ = 563158255968. Its totient is φ = 53629992960.

The previous prime is 201120211003. The next prime is 201120211049. The reversal of 201120211020 is 20112021102.

201120211020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 201120210987 and 201120211005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2119390 + ... + 2212250.

It is an arithmetic number, because the mean of its divisors is an integer number (11732463666).

Almost surely, 2^201120211020 is an apocalyptic number.

201120211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201120211020 is an abundant number, since it is smaller than the sum of its proper divisors (362038044948).

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

201120211020 is a wasteful number, since it uses less digits than its factorization.

201120211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128970 (or 128968 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201120211020 its reverse (20112021102), we get a palindrome (221232232122).

The spelling of 201120211020 in words is "two hundred one billion, one hundred twenty million, two hundred eleven thousand, twenty".