2001311222301 has 16 divisors (see below), whose sum is σ = 2964929054400. Its totient is φ = 1334196888624.

The previous prime is 2001311222291. The next prime is 2001311222303. The reversal of 2001311222301 is 1032221131002.

2001311222301 is a `hidden beast` number, since 200 + 131 + 12 + 22 + 301 = 666.

It is not a de Polignac number, because 2001311222301 - 2⁷ = 2001311222173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001311222303) 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, 4727995 + ... + 5133863.

It is an arithmetic number, because the mean of its divisors is an integer number (185308065900).

Almost surely, 2^{2001311222301} is an apocalyptic number.

It is an amenable number.

2001311222301 is a deficient number, since it is larger than the sum of its proper divisors (963617832099).

2001311222301 is a wasteful number, since it uses less digits than its factorization.

2001311222301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588505 (or 588499 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2001311222301 its reverse (1032221131002), we get a palindrome (3033532353303).

The spelling of 2001311222301 in words is "two trillion, one billion, three hundred eleven million, two hundred twenty-two thousand, three hundred one".