10721052222011 has 4 divisors (see below), whose sum is σ = 10721085307632. Its totient is φ = 10721019136392.

The previous prime is 10721052222007. The next prime is 10721052222059. The reversal of 10721052222011 is 11022225012701.

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 10721052222011 - 2² = 10721052222007 is a prime.

It is a super-2 number, since 2×10721052222011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10721052222071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16051895 + ... + 16706448.

It is an arithmetic number, because the mean of its divisors is an integer number (2680271326908).

Almost surely, 2^{10721052222011} is an apocalyptic number.

10721052222011 is a deficient number, since it is larger than the sum of its proper divisors (33085621).

10721052222011 is an equidigital number, since it uses as much as digits as its factorization.

10721052222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33085620.

The product of its (nonzero) digits is 1120, while the sum is 26.

Adding to 10721052222011 its reverse (11022225012701), we get a palindrome (21743277234712).

The spelling of 10721052222011 in words is "ten trillion, seven hundred twenty-one billion, fifty-two million, two hundred twenty-two thousand, eleven".