2031201111000 has 256 divisors, whose sum is σ = 6378776127360. Its totient is φ = 538124697600.

The previous prime is 2031201110993. The next prime is 2031201111007. The reversal of 2031201111000 is 1111021302.

It is an interprime number because it is at equal distance from previous prime (2031201110993) and next prime (2031201111007).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031201111007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 296219572 + ... + 296226428.

Almost surely, 2^{2031201111000} is an apocalyptic number.

2031201111000 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 2031201111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3189388063680).

2031201111000 is an abundant number, since it is smaller than the sum of its proper divisors (4347575016360).

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

2031201111000 is a wasteful number, since it uses less digits than its factorization.

2031201111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7511 (or 7497 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 2031201111000 its reverse (1111021302), we get a palindrome (2032312132302).

The spelling of 2031201111000 in words is "two trillion, thirty-one billion, two hundred one million, one hundred eleven thousand".