2120110221300 has 144 divisors (see below), whose sum is σ = 6332905334784. Its totient is φ = 547052400000.

The previous prime is 2120110221263. The next prime is 2120110221323. The reversal of 2120110221300 is 31220110212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2120110221300.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 127317975 + ... + 127334625.

Almost surely, 2^{2120110221300} is an apocalyptic number.

2120110221300 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 2120110221300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3166452667392).

2120110221300 is an abundant number, since it is smaller than the sum of its proper divisors (4212795113484).

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

2120110221300 is a wasteful number, since it uses less digits than its factorization.

2120110221300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30390 (or 30383 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2120110221300 its reverse (31220110212), we get a palindrome (2151330331512).

The spelling of 2120110221300 in words is "two trillion, one hundred twenty billion, one hundred ten million, two hundred twenty-one thousand, three hundred".