201002001321 has 16 divisors (see below), whose sum is σ = 299165771520. Its totient is φ = 118986384720.

The previous prime is 201002001301. The next prime is 201002001367. The reversal of 201002001321 is 123100200102.

It is not a de Polignac number, because 201002001321 - 2⁵ = 201002001289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201002001297 and 201002001306.

It is not an unprimeable number, because it can be changed into a prime (201002001301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70823811 + ... + 70826648.

It is an arithmetic number, because the mean of its divisors is an integer number (18697860720).

Almost surely, 2^201002001321 is an apocalyptic number.

It is an amenable number.

201002001321 is a deficient number, since it is larger than the sum of its proper divisors (98163770199).

201002001321 is a wasteful number, since it uses less digits than its factorization.

201002001321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141650516.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 201002001321 its reverse (123100200102), we get a palindrome (324102201423).

The spelling of 201002001321 in words is "two hundred one billion, two million, one thousand, three hundred twenty-one".