2111242342413 has 16 divisors (see below), whose sum is σ = 2893715839616. Its totient is φ = 1368201481920.

The previous prime is 2111242342411. The next prime is 2111242342549. The reversal of 2111242342413 is 3142432421112.

It is a happy number.

It is not a de Polignac number, because 2111242342413 - 2¹ = 2111242342411 is a prime.

It is a super-2 number, since 2×2111242342413² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111242342411) 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, 8579593 + ... + 8822238.

It is an arithmetic number, because the mean of its divisors is an integer number (180857239976).

Almost surely, 2^{2111242342413} is an apocalyptic number.

It is an amenable number.

2111242342413 is a deficient number, since it is larger than the sum of its proper divisors (782473497203).

2111242342413 is a wasteful number, since it uses less digits than its factorization.

2111242342413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17402964.

The product of its digits is 9216, while the sum is 30.

Adding to 2111242342413 its reverse (3142432421112), we get a palindrome (5253674763525).

The spelling of 2111242342413 in words is "two trillion, one hundred eleven billion, two hundred forty-two million, three hundred forty-two thousand, four hundred thirteen".