2102535242041 has 4 divisors (see below), whose sum is σ = 2264268722212. Its totient is φ = 1940801761872.

The previous prime is 2102535241967. The next prime is 2102535242057. The reversal of 2102535242041 is 1402425352012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1305271975225 + 797263266816 = 1142485^2 + 892896^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102535242041 - 2³¹ = 2100387758393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102535241994 and 2102535242012.

It is not an unprimeable number, because it can be changed into a prime (2102535240041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80866740066 + ... + 80866740091.

It is an arithmetic number, because the mean of its divisors is an integer number (566067180553).

Almost surely, 2^{2102535242041} is an apocalyptic number.

It is an amenable number.

2102535242041 is a deficient number, since it is larger than the sum of its proper divisors (161733480171).

2102535242041 is a wasteful number, since it uses less digits than its factorization.

2102535242041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161733480170.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 2102535242041 in words is "two trillion, one hundred two billion, five hundred thirty-five million, two hundred forty-two thousand, forty-one".