2021201133120 has 168 divisors, whose sum is σ = 7486866002616. Its totient is φ = 497526423552.

The previous prime is 2021201133101. The next prime is 2021201133121. The reversal of 2021201133120 is 213311021202.

2021201133120 is a `hidden beast` number, since 202 + 120 + 11 + 331 + 2 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12881342016 + 2008319791104 = 113496^2 + 1417152^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2021201133093 and 2021201133102.

It is not an unprimeable number, because it can be changed into a prime (2021201133121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26955097 + ... + 27029976.

It is an arithmetic number, because the mean of its divisors is an integer number (44564678587).

Almost surely, 2^{2021201133120} is an apocalyptic number.

2021201133120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021201133120 is an abundant number, since it is smaller than the sum of its proper divisors (5465664869496).

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

2021201133120 is a wasteful number, since it uses less digits than its factorization.

2021201133120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53985109 (or 53985096 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2021201133120 its reverse (213311021202), we get a palindrome (2234512154322).

The spelling of 2021201133120 in words is "two trillion, twenty-one billion, two hundred one million, one hundred thirty-three thousand, one hundred twenty".