4234021021121 has 8 divisors (see below), whose sum is σ = 4309380789120. Its totient is φ = 4159205367408.

The previous prime is 4234021021099. The next prime is 4234021021123. The reversal of 4234021021121 is 1211201204324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4234021021121 - 2³⁸ = 3959143114177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4234021021123) by changing a digit.

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, 136012871 + ... + 136043996.

It is an arithmetic number, because the mean of its divisors is an integer number (538672598640).

Almost surely, 2^{4234021021121} is an apocalyptic number.

It is an amenable number.

4234021021121 is a deficient number, since it is larger than the sum of its proper divisors (75359767999).

4234021021121 is a wasteful number, since it uses less digits than its factorization.

4234021021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272057143.

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

Adding to 4234021021121 its reverse (1211201204324), we get a palindrome (5445222225445).

The spelling of 4234021021121 in words is "four trillion, two hundred thirty-four billion, twenty-one million, twenty-one thousand, one hundred twenty-one".