2001133215124 has 24 divisors (see below), whose sum is σ = 3686711112000. Its totient is φ = 947798985600.

The previous prime is 2001133215113. The next prime is 2001133215157. The reversal of 2001133215124 is 4215123311002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790549 + ... + 2151100.

It is an arithmetic number, because the mean of its divisors is an integer number (153612963000).

Almost surely, 2^{2001133215124} is an apocalyptic number.

It is an amenable number.

2001133215124 is a deficient number, since it is larger than the sum of its proper divisors (1685577896876).

2001133215124 is a wasteful number, since it uses less digits than its factorization.

2001133215124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950623 (or 2950621 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 2001133215124 its reverse (4215123311002), we get a palindrome (6216256526126).

The spelling of 2001133215124 in words is "two trillion, one billion, one hundred thirty-three million, two hundred fifteen thousand, one hundred twenty-four".