2102111878341 has 16 divisors (see below), whose sum is σ = 2804875992576. Its totient is φ = 1400378227056.

The previous prime is 2102111878331. The next prime is 2102111878367. The reversal of 2102111878341 is 1438781112012.

It is not a de Polignac number, because 2102111878341 - 2⁵ = 2102111878309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2102111878341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102111878331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23104846 + ... + 23195648.

It is an arithmetic number, because the mean of its divisors is an integer number (175304749536).

Almost surely, 2^{2102111878341} is an apocalyptic number.

It is an amenable number.

2102111878341 is a deficient number, since it is larger than the sum of its proper divisors (702764114235).

2102111878341 is a wasteful number, since it uses less digits than its factorization.

2102111878341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96392.

The product of its (nonzero) digits is 21504, while the sum is 39.

The spelling of 2102111878341 in words is "two trillion, one hundred two billion, one hundred eleven million, eight hundred seventy-eight thousand, three hundred forty-one".