2105214431115 has 8 divisors (see below), whose sum is σ = 3368343089808. Its totient is φ = 1122781029920.

The previous prime is 2105214431107. The next prime is 2105214431183. The reversal of 2105214431115 is 5111344125012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2105214431115 - 2³ = 2105214431107 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70173814356 + ... + 70173814385.

It is an arithmetic number, because the mean of its divisors is an integer number (421042886226).

Almost surely, 2^{2105214431115} is an apocalyptic number.

2105214431115 is a deficient number, since it is larger than the sum of its proper divisors (1263128658693).

2105214431115 is a wasteful number, since it uses less digits than its factorization.

2105214431115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140347628749.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 2105214431115 its reverse (5111344125012), we get a palindrome (7216558556127).

The spelling of 2105214431115 in words is "two trillion, one hundred five billion, two hundred fourteen million, four hundred thirty-one thousand, one hundred fifteen".