2120531020223 has 32 divisors (see below), whose sum is σ = 2665128069120. Its totient is φ = 1639071936000.

The previous prime is 2120531020213. The next prime is 2120531020243. The reversal of 2120531020223 is 3220201350212.

It is a cyclic number.

It is not a de Polignac number, because 2120531020223 - 2¹² = 2120531016127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120531020213) 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 31 ways as a sum of consecutive naturals, for example, 4556663 + ... + 5000423.

It is an arithmetic number, because the mean of its divisors is an integer number (83285252160).

Almost surely, 2^{2120531020223} is an apocalyptic number.

2120531020223 is a deficient number, since it is larger than the sum of its proper divisors (544597048897).

2120531020223 is a wasteful number, since it uses less digits than its factorization.

2120531020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444279.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 2120531020223 its reverse (3220201350212), we get a palindrome (5340732370435).

The spelling of 2120531020223 in words is "two trillion, one hundred twenty billion, five hundred thirty-one million, twenty thousand, two hundred twenty-three".