2126606021131 has 4 divisors (see below), whose sum is σ = 2127069237664. Its totient is φ = 2126142804600.

The previous prime is 2126606021081. The next prime is 2126606021173. The reversal of 2126606021131 is 1311206066212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2126606021131 - 2³⁹ = 1576850207243 is a prime.

It is a super-2 number, since 2×2126606021131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2126606021093 and 2126606021102.

It is not an unprimeable number, because it can be changed into a prime (2126606021191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231601380 + ... + 231610561.

It is an arithmetic number, because the mean of its divisors is an integer number (531767309416).

Almost surely, 2^{2126606021131} is an apocalyptic number.

2126606021131 is a deficient number, since it is larger than the sum of its proper divisors (463216533).

2126606021131 is an equidigital number, since it uses as much as digits as its factorization.

2126606021131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463216532.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 2126606021131 in words is "two trillion, one hundred twenty-six billion, six hundred six million, twenty-one thousand, one hundred thirty-one".