2103801018154 has 24 divisors (see below), whose sum is σ = 3476253918564. Its totient is φ = 954180638400.

The previous prime is 2103801018133. The next prime is 2103801018169. The reversal of 2103801018154 is 4518101083012.

It can be written as a sum of positive squares in 2 ways, for example, as 2076702919929 + 27098098225 = 1441077^2 + 164615^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9400777 + ... + 9621964.

Almost surely, 2^{2103801018154} is an apocalyptic number.

2103801018154 is a deficient number, since it is larger than the sum of its proper divisors (1372452900410).

2103801018154 is a wasteful number, since it uses less digits than its factorization.

2103801018154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19023222 (or 19023211 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 34.

The spelling of 2103801018154 in words is "two trillion, one hundred three billion, eight hundred one million, eighteen thousand, one hundred fifty-four".