21144202313110 has 32 divisors (see below), whose sum is σ = 39589487683200. Its totient is φ = 8120920510080.

The previous prime is 21144202313093. The next prime is 21144202313141. The reversal of 21144202313110 is 1131320244112.

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, 201359230 + ... + 201464209.

It is an arithmetic number, because the mean of its divisors is an integer number (1237171490100).

Almost surely, 2^{21144202313110} is an apocalyptic number.

21144202313110 is a deficient number, since it is larger than the sum of its proper divisors (18445285370090).

21144202313110 is a wasteful number, since it uses less digits than its factorization.

21144202313110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402823656.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 21144202313110 its reverse (1131320244112), we get a palindrome (22275522557222).

The spelling of 21144202313110 in words is "twenty-one trillion, one hundred forty-four billion, two hundred two million, three hundred thirteen thousand, one hundred ten".