2120105134253 has 16 divisors (see below), whose sum is σ = 2163772789440. Its totient is φ = 2076738998400.

The previous prime is 2120105134237. The next prime is 2120105134283. The reversal of 2120105134253 is 3524315010212.

It is a cyclic number.

It is not a de Polignac number, because 2120105134253 - 2⁴ = 2120105134237 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 (2120105134283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18255353 + ... + 18371121.

It is an arithmetic number, because the mean of its divisors is an integer number (135235799340).

Almost surely, 2^{2120105134253} is an apocalyptic number.

It is an amenable number.

2120105134253 is a deficient number, since it is larger than the sum of its proper divisors (43667655187).

2120105134253 is a wasteful number, since it uses less digits than its factorization.

2120105134253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117068.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 2120105134253 in words is "two trillion, one hundred twenty billion, one hundred five million, one hundred thirty-four thousand, two hundred fifty-three".