2001311111230 has 8 divisors (see below), whose sum is σ = 3602360000232. Its totient is φ = 800524444488.

The previous prime is 2001311111201. The next prime is 2001311111243. The reversal of 2001311111230 is 321111131002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2001311111230² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100065555552 + ... + 100065555571.

It is an arithmetic number, because the mean of its divisors is an integer number (450295000029).

Almost surely, 2^{2001311111230} is an apocalyptic number.

2001311111230 is a deficient number, since it is larger than the sum of its proper divisors (1601048889002).

2001311111230 is a wasteful number, since it uses less digits than its factorization.

2001311111230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200131111130.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2001311111230 its reverse (321111131002), we get a palindrome (2322422242232).

The spelling of 2001311111230 in words is "two trillion, one billion, three hundred eleven million, one hundred eleven thousand, two hundred thirty".