2111231110042 has 16 divisors (see below), whose sum is σ = 3182860728000. Its totient is φ = 1050277868640.

The previous prime is 2111231110031. The next prime is 2111231110061. The reversal of 2111231110042 is 2400111321112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16896934 + ... + 17021422.

It is an arithmetic number, because the mean of its divisors is an integer number (198928795500).

Almost surely, 2^{2111231110042} is an apocalyptic number.

2111231110042 is a deficient number, since it is larger than the sum of its proper divisors (1071629617958).

2111231110042 is a wasteful number, since it uses less digits than its factorization.

2111231110042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167301.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2111231110042 its reverse (2400111321112), we get a palindrome (4511342431154).

The spelling of 2111231110042 in words is "two trillion, one hundred eleven billion, two hundred thirty-one million, one hundred ten thousand, forty-two".