2721068101 has 4 divisors (see below), whose sum is σ = 2746498752. Its totient is φ = 2695637452.

The previous prime is 2721068083. The next prime is 2721068167. The reversal of 2721068101 is 1018601272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2721068101 - 2⁵ = 2721068069 is a prime.

It is a super-2 number, since 2×2721068101² = 14808423220559492402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2721068101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721068201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12715165 + ... + 12715378.

It is an arithmetic number, because the mean of its divisors is an integer number (686624688).

Almost surely, 2^2721068101 is an apocalyptic number.

It is an amenable number.

2721068101 is a deficient number, since it is larger than the sum of its proper divisors (25430651).

2721068101 is a wasteful number, since it uses less digits than its factorization.

2721068101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25430650.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 2721068101 is about 52163.8581874462. The cubic root of 2721068101 is about 1396.0891022634.

Adding to 2721068101 its reverse (1018601272), we get a palindrome (3739669373).

The spelling of 2721068101 in words is "two billion, seven hundred twenty-one million, sixty-eight thousand, one hundred one".