2101216363 has 4 divisors (see below), whose sum is σ = 2168997568. Its totient is φ = 2033435160.

The previous prime is 2101216349. The next prime is 2101216393. The reversal of 2101216363 is 3636121012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2101216363 - 2⁵ = 2101216331 is a prime.

It is a super-2 number, since 2×2101216363² = 8830220408277895538, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101216343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33890556 + ... + 33890617.

It is an arithmetic number, because the mean of its divisors is an integer number (542249392).

Almost surely, 2^2101216363 is an apocalyptic number.

2101216363 is a deficient number, since it is larger than the sum of its proper divisors (67781205).

2101216363 is an equidigital number, since it uses as much as digits as its factorization.

2101216363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67781204.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2101216363 is about 45839.0266366990. The cubic root of 2101216363 is about 1280.8263631575.

Adding to 2101216363 its reverse (3636121012), we get a palindrome (5737337375).

The spelling of 2101216363 in words is "two billion, one hundred one million, two hundred sixteen thousand, three hundred sixty-three".