20110211020000 has 120 divisors (see below), whose sum is σ = 49546605804696. Its totient is φ = 8032301376000.

The previous prime is 20110211019979. The next prime is 20110211020001. The reversal of 20110211020000 is 2011201102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110211020001) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 12923902 + ... + 14396098.

Almost surely, 2^{20110211020000} is an apocalyptic number.

20110211020000 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 20110211020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24773302902348).

20110211020000 is an abundant number, since it is smaller than the sum of its proper divisors (29436394784696).

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

20110211020000 is an equidigital number, since it uses as much as digits as its factorization.

20110211020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472910 (or 1472887 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20110211020000 its reverse (2011201102), we get a palindrome (20112222221102).

The spelling of 20110211020000 in words is "twenty trillion, one hundred ten billion, two hundred eleven million, twenty thousand".