21110331114105 has 32 divisors (see below), whose sum is σ = 33847591219200. Its totient is φ = 11235172428480.

The previous prime is 21110331114029. The next prime is 21110331114113. The reversal of 21110331114105 is 50141113301112.

It is a happy number.

It is not a de Polignac number, because 21110331114105 - 2⁹ = 21110331113593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20256004 + ... + 21272666.

It is an arithmetic number, because the mean of its divisors is an integer number (1057737225600).

Almost surely, 2^{21110331114105} is an apocalyptic number.

It is an amenable number.

21110331114105 is a deficient number, since it is larger than the sum of its proper divisors (12737260105095).

21110331114105 is a wasteful number, since it uses less digits than its factorization.

21110331114105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019581.

The product of its (nonzero) digits is 360, while the sum is 24.

Adding to 21110331114105 its reverse (50141113301112), we get a palindrome (71251444415217).

The spelling of 21110331114105 in words is "twenty-one trillion, one hundred ten billion, three hundred thirty-one million, one hundred fourteen thousand, one hundred five".