2011201133320 has 16 divisors (see below), whose sum is σ = 4525202550060. Its totient is φ = 804480453312.

The previous prime is 2011201133311. The next prime is 2011201133329. The reversal of 2011201133320 is 233311021102.

It is an interprime number because it is at equal distance from previous prime (2011201133311) and next prime (2011201133329).

It can be written as a sum of positive squares in 2 ways, for example, as 1754920170756 + 256280962564 = 1324734^2 + 506242^2 .

It is not an unprimeable number, because it can be changed into a prime (2011201133329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25140014127 + ... + 25140014206.

Almost surely, 2^{2011201133320} is an apocalyptic number.

2011201133320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011201133320 is an abundant number, since it is smaller than the sum of its proper divisors (2514001416740).

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

2011201133320 is a wasteful number, since it uses less digits than its factorization.

2011201133320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50280028344 (or 50280028340 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2011201133320 its reverse (233311021102), we get a palindrome (2244512154422).

The spelling of 2011201133320 in words is "two trillion, eleven billion, two hundred one million, one hundred thirty-three thousand, three hundred twenty".