2001310221132 has 36 divisors (see below), whose sum is σ = 5195593655616. Its totient is φ = 649073584800.

The previous prime is 2001310221107. The next prime is 2001310221187. The reversal of 2001310221132 is 2311220131002.

2001310221132 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 310 + 221 + 132 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2001310221132² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 751241244 + ... + 751243907.

Almost surely, 2^{2001310221132} is an apocalyptic number.

It is an amenable number.

2001310221132 is an abundant number, since it is smaller than the sum of its proper divisors (3194283434484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001310221132 is a wasteful number, since it uses less digits than its factorization.

2001310221132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502485198 (or 1502485193 counting only the distinct ones).

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

Adding to 2001310221132 its reverse (2311220131002), we get a palindrome (4312530352134).

The spelling of 2001310221132 in words is "two trillion, one billion, three hundred ten million, two hundred twenty-one thousand, one hundred thirty-two".