2111240103243 has 16 divisors (see below), whose sum is σ = 2822788277760. Its totient is φ = 1403593023456.

The previous prime is 2111240103223. The next prime is 2111240103263. The reversal of 2111240103243 is 3423010421112.

It is an interprime number because it is at equal distance from previous prime (2111240103223) and next prime (2111240103263).

It is not a de Polignac number, because 2111240103243 - 2⁹ = 2111240102731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111240103223) 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, 39914548 + ... + 39967406.

It is an arithmetic number, because the mean of its divisors is an integer number (176424267360).

Almost surely, 2^{2111240103243} is an apocalyptic number.

2111240103243 is a deficient number, since it is larger than the sum of its proper divisors (711548174517).

2111240103243 is a wasteful number, since it uses less digits than its factorization.

2111240103243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89506.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 2111240103243 its reverse (3423010421112), we get a palindrome (5534250524355).

The spelling of 2111240103243 in words is "two trillion, one hundred eleven billion, two hundred forty million, one hundred three thousand, two hundred forty-three".