4120242212021 has 16 divisors (see below), whose sum is σ = 4501459847808. Its totient is φ = 3748249243200.

The previous prime is 4120242211993. The next prime is 4120242212059. The reversal of 4120242212021 is 1202122420214.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4120242212021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120242212521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1454255 + ... + 3217971.

It is an arithmetic number, because the mean of its divisors is an integer number (281341240488).

Almost surely, 2^{4120242212021} is an apocalyptic number.

It is an amenable number.

4120242212021 is a deficient number, since it is larger than the sum of its proper divisors (381217635787).

4120242212021 is a wasteful number, since it uses less digits than its factorization.

4120242212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766332.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 4120242212021 its reverse (1202122420214), we get a palindrome (5322364632235).

The spelling of 4120242212021 in words is "four trillion, one hundred twenty billion, two hundred forty-two million, two hundred twelve thousand, twenty-one".