2101222110300 has 72 divisors (see below), whose sum is σ = 6080374331136. Its totient is φ = 560248628160.

The previous prime is 2101222110293. The next prime is 2101222110301. The reversal of 2101222110300 is 30112221012.

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 2101222110300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101222110301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1712829 + ... + 2671371.

It is an arithmetic number, because the mean of its divisors is an integer number (84449643488).

Almost surely, 2^{2101222110300} is an apocalyptic number.

2101222110300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101222110300 is an abundant number, since it is smaller than the sum of its proper divisors (3979152220836).

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

2101222110300 is a wasteful number, since it uses less digits than its factorization.

2101222110300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965867 (or 965860 counting only the distinct ones).

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

Adding to 2101222110300 its reverse (30112221012), we get a palindrome (2131334331312).

The spelling of 2101222110300 in words is "two trillion, one hundred one billion, two hundred twenty-two million, one hundred ten thousand, three hundred".