4121121422142 has 16 divisors (see below), whose sum is σ = 9158047604880. Its totient is φ = 1373707140696.

The previous prime is 4121121422123. The next prime is 4121121422147. The reversal of 4121121422142 is 2412241211214.

4121121422142 is a `hidden beast` number, since 4 + 1 + 211 + 21 + 422 + 1 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121121422147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38158531633 + ... + 38158531740.

It is an arithmetic number, because the mean of its divisors is an integer number (572377975305).

Almost surely, 2^{4121121422142} is an apocalyptic number.

4121121422142 is an abundant number, since it is smaller than the sum of its proper divisors (5036926182738).

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

4121121422142 is a wasteful number, since it uses less digits than its factorization.

4121121422142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76317063384 (or 76317063378 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

Adding to 4121121422142 its reverse (2412241211214), we get a palindrome (6533362633356).

The spelling of 4121121422142 in words is "four trillion, one hundred twenty-one billion, one hundred twenty-one million, four hundred twenty-two thousand, one hundred forty-two".