2001021331130 has 32 divisors (see below), whose sum is σ = 3655930152960. Its totient is φ = 788408893440.

The previous prime is 2001021331123. The next prime is 2001021331151. The reversal of 2001021331130 is 311331201002.

It is a junction number, because it is equal to n+sod(n) for n = 2001021331099 and 2001021331108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524615 + ... + 2068154.

It is an arithmetic number, because the mean of its divisors is an integer number (114247817280).

Almost surely, 2^{2001021331130} is an apocalyptic number.

2001021331130 is a deficient number, since it is larger than the sum of its proper divisors (1654908821830).

2001021331130 is a wasteful number, since it uses less digits than its factorization.

2001021331130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593934.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 2001021331130 its reverse (311331201002), we get a palindrome (2312352532132).

The spelling of 2001021331130 in words is "two trillion, one billion, twenty-one million, three hundred thirty-one thousand, one hundred thirty".