2101210330 has 16 divisors (see below), whose sum is σ = 3783675240. Its totient is φ = 840151552.

The previous prime is 2101210327. The next prime is 2101210381. The reversal of 2101210330 is 330121012.

It can be written as a sum of positive squares in 4 ways, for example, as 1615316481 + 485893849 = 40191^2 + 22043^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2101210330.

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, 14179 + ... + 66358.

Almost surely, 2^2101210330 is an apocalyptic number.

2101210330 is a deficient number, since it is larger than the sum of its proper divisors (1682464910).

2101210330 is a wasteful number, since it uses less digits than its factorization.

2101210330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83153.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2101210330 is about 45838.9608302806. The cubic root of 2101210330 is about 1280.8251373226.

Adding to 2101210330 its reverse (330121012), we get a palindrome (2431331342).

The spelling of 2101210330 in words is "two billion, one hundred one million, two hundred ten thousand, three hundred thirty".