21411440110 has 16 divisors (see below), whose sum is σ = 38554983936. Its totient is φ = 8561377888.

The previous prime is 21411440107. The next prime is 21411440129. The reversal of 21411440110 is 1104411412.

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, 371557 + ... + 425296.

It is an arithmetic number, because the mean of its divisors is an integer number (2409686496).

Almost surely, 2^21411440110 is an apocalyptic number.

21411440110 is a deficient number, since it is larger than the sum of its proper divisors (17143543826).

21411440110 is a wasteful number, since it uses less digits than its factorization.

21411440110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799547.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 21411440110 its reverse (1104411412), we get a palindrome (22515851522).

The spelling of 21411440110 in words is "twenty-one billion, four hundred eleven million, four hundred forty thousand, one hundred ten".