20212001101120 has 112 divisors (see below), whose sum is σ = 49757581334016. Its totient is φ = 7812161280000.

The previous prime is 20212001101109. The next prime is 20212001101163. The reversal of 20212001101120 is 2110110021202.

It is a self number, because there is not a number n which added to its sum of digits gives 20212001101120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5015895 + ... + 8098345.

Almost surely, 2^{20212001101120} is an apocalyptic number.

20212001101120 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 20212001101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24878790667008).

20212001101120 is an abundant number, since it is smaller than the sum of its proper divisors (29545580232896).

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

20212001101120 is a wasteful number, since it uses less digits than its factorization.

20212001101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083160 (or 3083150 counting only the distinct ones).

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

Adding to 20212001101120 its reverse (2110110021202), we get a palindrome (22322111122322).

The spelling of 20212001101120 in words is "twenty trillion, two hundred twelve billion, one million, one hundred one thousand, one hundred twenty".