201120112021020 has 48 divisors (see below), whose sum is σ = 563298741790848. Its totient is φ = 53616560526400.

The previous prime is 201120112021019. The next prime is 201120112021051. The reversal of 201120112021020 is 20120211021102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483207306 + ... + 483623345.

It is an arithmetic number, because the mean of its divisors is an integer number (11735390453976).

Almost surely, 2^{201120112021020} is an apocalyptic number.

201120112021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201120112021020 is an abundant number, since it is smaller than the sum of its proper divisors (362178629769828).

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

201120112021020 is a wasteful number, since it uses less digits than its factorization.

201120112021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966834130 (or 966834128 counting only the distinct ones).

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

Adding to 201120112021020 its reverse (20120211021102), we get a palindrome (221240323042122).

The spelling of 201120112021020 in words is "two hundred one trillion, one hundred twenty billion, one hundred twelve million, twenty-one thousand, twenty".