2311111122342 has 64 divisors (see below), whose sum is σ = 5179066898688. Its totient is φ = 681361200000.

The previous prime is 2311111122317. The next prime is 2311111122347. The reversal of 2311111122342 is 2432211111132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311111122347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51506217 + ... + 51551067.

It is an arithmetic number, because the mean of its divisors is an integer number (80922920292).

Almost surely, 2^{2311111122342} is an apocalyptic number.

2311111122342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2311111122342 is an abundant number, since it is smaller than the sum of its proper divisors (2867955776346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2311111122342 is a wasteful number, since it uses less digits than its factorization.

2311111122342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66005.

The product of its digits is 576, while the sum is 24.

Adding to 2311111122342 its reverse (2432211111132), we get a palindrome (4743322233474).

The spelling of 2311111122342 in words is "two trillion, three hundred eleven billion, one hundred eleven million, one hundred twenty-two thousand, three hundred forty-two".