2111243234342 has 64 divisors (see below), whose sum is σ = 3548808764928. Its totient is φ = 933902592000.

The previous prime is 2111243234327. The next prime is 2111243234357. The reversal of 2111243234342 is 2434323421112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2111243234327) and next prime (2111243234357).

It is a junction number, because it is equal to n+sod(n) for n = 2111243234299 and 2111243234308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157772492 + ... + 157785872.

It is an arithmetic number, because the mean of its divisors is an integer number (55450136952).

Almost surely, 2^{2111243234342} is an apocalyptic number.

2111243234342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2111243234342 is a deficient number, since it is larger than the sum of its proper divisors (1437565530586).

2111243234342 is a wasteful number, since it uses less digits than its factorization.

2111243234342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14765.

The product of its digits is 27648, while the sum is 32.

Adding to 2111243234342 its reverse (2434323421112), we get a palindrome (4545566655454).

The spelling of 2111243234342 in words is "two trillion, one hundred eleven billion, two hundred forty-three million, two hundred thirty-four thousand, three hundred forty-two".