2126522453121 has 48 divisors (see below), whose sum is σ = 3359258809920. Its totient is φ = 1285584428160.

The previous prime is 2126522453093. The next prime is 2126522453129. The reversal of 2126522453121 is 1213542256212.

2126522453121 is a `hidden beast` number, since 2 + 1 + 2 + 6 + 522 + 4 + 5 + 3 + 121 = 666.

It is not a de Polignac number, because 2126522453121 - 2⁹ = 2126522452609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2126522453129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65802115 + ... + 65834423.

It is an arithmetic number, because the mean of its divisors is an integer number (69984558540).

Almost surely, 2^{2126522453121} is an apocalyptic number.

It is an amenable number.

2126522453121 is a deficient number, since it is larger than the sum of its proper divisors (1232736356799).

2126522453121 is a wasteful number, since it uses less digits than its factorization.

2126522453121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33966 (or 33963 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The spelling of 2126522453121 in words is "two trillion, one hundred twenty-six billion, five hundred twenty-two million, four hundred fifty-three thousand, one hundred twenty-one".