2111313444042 has 64 divisors (see below), whose sum is σ = 4688952178176. Its totient is φ = 628429671360.

The previous prime is 2111313444013. The next prime is 2111313444061. The reversal of 2111313444042 is 2404443131112.

It is a happy 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, 166228 + ... + 2061615.

It is an arithmetic number, because the mean of its divisors is an integer number (73264877784).

Almost surely, 2^{2111313444042} is an apocalyptic number.

2111313444042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2111313444042 is an abundant number, since it is smaller than the sum of its proper divisors (2577638734134).

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

2111313444042 is a wasteful number, since it uses less digits than its factorization.

2111313444042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228115.

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

Adding to 2111313444042 its reverse (2404443131112), we get a palindrome (4515756575154).

The spelling of 2111313444042 in words is "two trillion, one hundred eleven billion, three hundred thirteen million, four hundred forty-four thousand, forty-two".