202111133201 has 8 divisors (see below), whose sum is σ = 204397308360. Its totient is φ = 199825297408.

The previous prime is 202111133177. The next prime is 202111133227. The reversal of 202111133201 is 102331111202.

It can be written as a sum of positive squares in 4 ways, for example, as 14491344400 + 187619788801 = 120380^2 + 433151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202111133201 - 2⁶ = 202111133137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202111133201.

It is not an unprimeable number, because it can be changed into a prime (202111135201) 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 7 ways as a sum of consecutive naturals, for example, 1227005 + ... + 1381941.

It is an arithmetic number, because the mean of its divisors is an integer number (25549663545).

Almost surely, 2^202111133201 is an apocalyptic number.

It is an amenable number.

202111133201 is a deficient number, since it is larger than the sum of its proper divisors (2286175159).

202111133201 is a wasteful number, since it uses less digits than its factorization.

202111133201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169683.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 202111133201 its reverse (102331111202), we get a palindrome (304442244403).

The spelling of 202111133201 in words is "two hundred two billion, one hundred eleven million, one hundred thirty-three thousand, two hundred one".