2101330221330 has 32 divisors (see below), whose sum is σ = 5043496932864. Its totient is φ = 560320903296.

The previous prime is 2101330221329. The next prime is 2101330221337. The reversal of 2101330221330 is 331220331012.

It is a junction number, because it is equal to n+sod(n) for n = 2101330221297 and 2101330221306.

It is not an unprimeable number, because it can be changed into a prime (2101330221337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1606594 + ... + 2604573.

It is an arithmetic number, because the mean of its divisors is an integer number (157609279152).

Almost surely, 2^{2101330221330} is an apocalyptic number.

2101330221330 is an abundant number, since it is smaller than the sum of its proper divisors (2942166711534).

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

2101330221330 is a wasteful number, since it uses less digits than its factorization.

2101330221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227810.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2101330221330 its reverse (331220331012), we get a palindrome (2432550552342).

The spelling of 2101330221330 in words is "two trillion, one hundred one billion, three hundred thirty million, two hundred twenty-one thousand, three hundred thirty".