201020211120 has 80 divisors (see below), whose sum is σ = 629332657632. Its totient is φ = 53074636800.

The previous prime is 201020211103. The next prime is 201020211277. The reversal of 201020211120 is 21112020102.

It is a tau number, because it is divible by the number of its divisors (80).

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 = 201020211096 and 201020211105.

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, 4122217 + ... + 4170696.

Almost surely, 2^201020211120 is an apocalyptic number.

201020211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201020211120 is an abundant number, since it is smaller than the sum of its proper divisors (428312446512).

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

201020211120 is a wasteful number, since it uses less digits than its factorization.

201020211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8293030 (or 8293024 counting only the distinct ones).

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

Adding to 201020211120 its reverse (21112020102), we get a palindrome (222132231222).

The spelling of 201020211120 in words is "two hundred one billion, twenty million, two hundred eleven thousand, one hundred twenty".