1103843528121 has 16 divisors (see below), whose sum is σ = 1513252194048. Its totient is φ = 715297737600.

The previous prime is 1103843528101. The next prime is 1103843528141. The reversal of 1103843528121 is 1218253483011.

It is an interprime number because it is at equal distance from previous prime (1103843528101) and next prime (1103843528141).

It is not a de Polignac number, because 1103843528121 - 2¹⁰ = 1103843527097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1103843528121.

It is not an unprimeable number, because it can be changed into a prime (1103843528101) 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, 16524486 + ... + 16591151.

It is an arithmetic number, because the mean of its divisors is an integer number (94578262128).

Almost surely, 2^{1103843528121} is an apocalyptic number.

It is an amenable number.

1103843528121 is a deficient number, since it is larger than the sum of its proper divisors (409408665927).

1103843528121 is a wasteful number, since it uses less digits than its factorization.

1103843528121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33115952.

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 1103843528121 in words is "one trillion, one hundred three billion, eight hundred forty-three million, five hundred twenty-eight thousand, one hundred twenty-one".