201001321020233 has 4 divisors (see below), whose sum is σ = 201001437340548. Its totient is φ = 201001204699920.

The previous prime is 201001321020221. The next prime is 201001321020239. The reversal of 201001321020233 is 332020123100102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73530830800144 + 127470490220089 = 8575012^2 + 11290283^2 .

It is a cyclic number.

It is not a de Polignac number, because 201001321020233 - 2⁴ = 201001321020217 is a prime.

It is a super-3 number, since 3×201001321020233³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201001321020239) 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, 55528466 + ... + 59037387.

It is an arithmetic number, because the mean of its divisors is an integer number (50250359335137).

Almost surely, 2^{201001321020233} is an apocalyptic number.

It is an amenable number.

201001321020233 is a deficient number, since it is larger than the sum of its proper divisors (116320315).

201001321020233 is a wasteful number, since it uses less digits than its factorization.

201001321020233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116320314.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 201001321020233 its reverse (332020123100102), we get a palindrome (533021444120335).

The spelling of 201001321020233 in words is "two hundred one trillion, one billion, three hundred twenty-one million, twenty thousand, two hundred thirty-three".