2011222311342 has 64 divisors (see below), whose sum is σ = 4205959940160. Its totient is φ = 640583645184.

The previous prime is 2011222311341. The next prime is 2011222311347. The reversal of 2011222311342 is 2431132221102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011222311341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2366608 + ... + 3102140.

It is an arithmetic number, because the mean of its divisors is an integer number (65718124065).

Almost surely, 2^{2011222311342} is an apocalyptic number.

2011222311342 is an abundant number, since it is smaller than the sum of its proper divisors (2194737628818).

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

2011222311342 is a wasteful number, since it uses less digits than its factorization.

2011222311342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735797.

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

Adding to 2011222311342 its reverse (2431132221102), we get a palindrome (4442354532444).

The spelling of 2011222311342 in words is "two trillion, eleven billion, two hundred twenty-two million, three hundred eleven thousand, three hundred forty-two".