4553533020121 has 16 divisors (see below), whose sum is σ = 4864479371136. Its totient is φ = 4252103323776.

The previous prime is 4553533020073. The next prime is 4553533020137. The reversal of 4553533020121 is 1210203353554.

It is a cyclic number.

It is not a de Polignac number, because 4553533020121 - 2²⁵ = 4553499465689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4553533020191) 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, 784501 + ... + 3118093.

It is an arithmetic number, because the mean of its divisors is an integer number (304029960696).

Almost surely, 2^{4553533020121} is an apocalyptic number.

It is an amenable number.

4553533020121 is a deficient number, since it is larger than the sum of its proper divisors (310946351015).

4553533020121 is a wasteful number, since it uses less digits than its factorization.

4553533020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335632.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 4553533020121 its reverse (1210203353554), we get a palindrome (5763736373675).

The spelling of 4553533020121 in words is "four trillion, five hundred fifty-three billion, five hundred thirty-three million, twenty thousand, one hundred twenty-one".