21111060347324 has 24 divisors (see below), whose sum is σ = 37109483676048. Its totient is φ = 10508436432000.

The previous prime is 21111060347309. The next prime is 21111060347353. The reversal of 21111060347324 is 42374306011112.

It is a congruent number.

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, 9727427 + ... + 11698074.

It is an arithmetic number, because the mean of its divisors is an integer number (1546228486502).

Almost surely, 2^{21111060347324} is an apocalyptic number.

It is an amenable number.

21111060347324 is a deficient number, since it is larger than the sum of its proper divisors (15998423328724).

21111060347324 is a wasteful number, since it uses less digits than its factorization.

21111060347324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21426605 (or 21426603 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

Adding to 21111060347324 its reverse (42374306011112), we get a palindrome (63485366358436).

The spelling of 21111060347324 in words is "twenty-one trillion, one hundred eleven billion, sixty million, three hundred forty-seven thousand, three hundred twenty-four".