21340233040110 has 32 divisors (see below), whose sum is σ = 51216686773920. Its totient is φ = 5690714646528.

The previous prime is 21340233040097. The next prime is 21340233040193. The reversal of 21340233040110 is 1104033204312.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17911554 + ... + 19065786.

It is an arithmetic number, because the mean of its divisors is an integer number (1600521461685).

Almost surely, 2^{21340233040110} is an apocalyptic number.

21340233040110 is an abundant number, since it is smaller than the sum of its proper divisors (29876453733810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21340233040110 is a wasteful number, since it uses less digits than its factorization.

21340233040110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770532.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21340233040110 its reverse (1104033204312), we get a palindrome (22444266244422).

The spelling of 21340233040110 in words is "twenty-one trillion, three hundred forty billion, two hundred thirty-three million, forty thousand, one hundred ten".