2011023331000 has 128 divisors (see below), whose sum is σ = 4911605112960. Its totient is φ = 769245312000.

The previous prime is 2011023330991. The next prime is 2011023331001. The reversal of 2011023331000 is 1333201102.

It is a super-3 number, since 3×2011023331000³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011023331001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124582930 + ... + 124599070.

It is an arithmetic number, because the mean of its divisors is an integer number (38371914945).

Almost surely, 2^{2011023331000} is an apocalyptic number.

2011023331000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011023331000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2455802556480).

2011023331000 is an abundant number, since it is smaller than the sum of its proper divisors (2900581781960).

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

2011023331000 is a wasteful number, since it uses less digits than its factorization.

2011023331000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21602 (or 21588 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 2011023331000 its reverse (1333201102), we get a palindrome (2012356532102).

The spelling of 2011023331000 in words is "two trillion, eleven billion, twenty-three million, three hundred thirty-one thousand".