21160211710 has 32 divisors (see below), whose sum is σ = 41578572672. Its totient is φ = 7689509280.

The previous prime is 21160211701. The next prime is 21160211711. The reversal of 21160211710 is 1711206112.

It is a super-2 number, since 2×21160211710² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21160211711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104377 + ... + 230683.

It is an arithmetic number, because the mean of its divisors is an integer number (1299330396).

Almost surely, 2^21160211710 is an apocalyptic number.

21160211710 is a deficient number, since it is larger than the sum of its proper divisors (20418360962).

21160211710 is a wasteful number, since it uses less digits than its factorization.

21160211710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127848.

The product of its (nonzero) digits is 168, while the sum is 22.

Adding to 21160211710 its reverse (1711206112), we get a palindrome (22871417822).

The spelling of 21160211710 in words is "twenty-one billion, one hundred sixty million, two hundred eleven thousand, seven hundred ten".