2001110221120 has 28 divisors (see below), whose sum is σ = 4765143714804. Its totient is φ = 800444088320.

The previous prime is 2001110221079. The next prime is 2001110221139. The reversal of 2001110221120 is 211220111002.

It can be written as a sum of positive squares in 2 ways, for example, as 1486780280896 + 514329940224 = 1219336^2 + 717168^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2001110221120.

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, 3126734401 + ... + 3126735040.

Almost surely, 2^{2001110221120} is an apocalyptic number.

2001110221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001110221120 is an abundant number, since it is smaller than the sum of its proper divisors (2764033493684).

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

2001110221120 is an equidigital number, since it uses as much as digits as its factorization.

2001110221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6253469458 (or 6253469448 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2001110221120 its reverse (211220111002), we get a palindrome (2212330332122).

The spelling of 2001110221120 in words is "two trillion, one billion, one hundred ten million, two hundred twenty-one thousand, one hundred twenty".