202011001133 has 4 divisors (see below), whose sum is σ = 203864313180. Its totient is φ = 200157689088.

The previous prime is 202011001121. The next prime is 202011001217. The reversal of 202011001133 is 331100110202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331100110202 = 2 ⋅165550055101.

It can be written as a sum of positive squares in 2 ways, for example, as 147888700969 + 54122300164 = 384563^2 + 232642^2 .

It is a cyclic number.

It is not a de Polignac number, because 202011001133 - 2³⁰ = 200937259309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202011001333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926655860 + ... + 926656077.

It is an arithmetic number, because the mean of its divisors is an integer number (50966078295).

Almost surely, 2^202011001133 is an apocalyptic number.

It is an amenable number.

202011001133 is a deficient number, since it is larger than the sum of its proper divisors (1853312047).

202011001133 is a wasteful number, since it uses less digits than its factorization.

202011001133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853312046.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 202011001133 its reverse (331100110202), we get a palindrome (533111111335).

The spelling of 202011001133 in words is "two hundred two billion, eleven million, one thousand, one hundred thirty-three".