2122312121042 has 16 divisors (see below), whose sum is σ = 3184739262432. Its totient is φ = 1060732450560.

The previous prime is 2122312121003. The next prime is 2122312121057. The reversal of 2122312121042 is 2401212132212.

It is a junction number, because it is equal to n+sod(n) for n = 2122312120999 and 2122312121017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75521138 + ... + 75549234.

It is an arithmetic number, because the mean of its divisors is an integer number (199046203902).

Almost surely, 2^{2122312121042} is an apocalyptic number.

2122312121042 is a deficient number, since it is larger than the sum of its proper divisors (1062427141390).

2122312121042 is a wasteful number, since it uses less digits than its factorization.

2122312121042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41833.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 2122312121042 its reverse (2401212132212), we get a palindrome (4523524253254).

The spelling of 2122312121042 in words is "two trillion, one hundred twenty-two billion, three hundred twelve million, one hundred twenty-one thousand, forty-two".