2129201123135 has 8 divisors (see below), whose sum is σ = 2555173924560. Its totient is φ = 1703272513984.

The previous prime is 2129201123117. The next prime is 2129201123149. The reversal of 2129201123135 is 5313211029212.

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 2129201123135 - 2³⁰ = 2128127381311 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10941977 + ... + 11134866.

It is an arithmetic number, because the mean of its divisors is an integer number (319396740570).

Almost surely, 2^{2129201123135} is an apocalyptic number.

2129201123135 is a deficient number, since it is larger than the sum of its proper divisors (425972801425).

2129201123135 is a wasteful number, since it uses less digits than its factorization.

2129201123135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22096137.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 2129201123135 in words is "two trillion, one hundred twenty-nine billion, two hundred one million, one hundred twenty-three thousand, one hundred thirty-five".