2100022021120 has 88 divisors (see below), whose sum is σ = 5058497730528. Its totient is φ = 836522803200.

The previous prime is 2100022021037. The next prime is 2100022021147. The reversal of 2100022021120 is 211202200012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2100022021120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382965 + ... + 2084875.

It is an arithmetic number, because the mean of its divisors is an integer number (57482928756).

Almost surely, 2^{2100022021120} is an apocalyptic number.

2100022021120 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 2100022021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2529248865264).

2100022021120 is an abundant number, since it is smaller than the sum of its proper divisors (2958475709408).

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

2100022021120 is a wasteful number, since it uses less digits than its factorization.

2100022021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702177 (or 1702159 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2100022021120 its reverse (211202200012), we get a palindrome (2311224221132).

The spelling of 2100022021120 in words is "two trillion, one hundred billion, twenty-two million, twenty-one thousand, one hundred twenty".