2126135156211 has 12 divisors (see below), whose sum is σ = 3350273579640. Its totient is φ = 1288566761280.

The previous prime is 2126135156207. The next prime is 2126135156263. The reversal of 2126135156211 is 1126515316212.

2126135156211 is a `hidden beast` number, since 2 + 1 + 2 + 6 + 13 + 5 + 15 + 621 + 1 = 666.

It is not a de Polignac number, because 2126135156211 - 2² = 2126135156207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2126135156611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10738056246 + ... + 10738056443.

It is an arithmetic number, because the mean of its divisors is an integer number (279189464970).

Almost surely, 2^{2126135156211} is an apocalyptic number.

2126135156211 is a deficient number, since it is larger than the sum of its proper divisors (1224138423429).

2126135156211 is a wasteful number, since it uses less digits than its factorization.

2126135156211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21476112706 (or 21476112703 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The spelling of 2126135156211 in words is "two trillion, one hundred twenty-six billion, one hundred thirty-five million, one hundred fifty-six thousand, two hundred eleven".