2121335424426 has 32 divisors (see below), whose sum is σ = 4393809167040. Its totient is φ = 681975858816.

The previous prime is 2121335424421. The next prime is 2121335424431. The reversal of 2121335424426 is 6244245331212.

It is an interprime number because it is at equal distance from previous prime (2121335424421) and next prime (2121335424431).

It is not an unprimeable number, because it can be changed into a prime (2121335424421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6563011 + ... + 6878646.

It is an arithmetic number, because the mean of its divisors is an integer number (137306536470).

Almost surely, 2^{2121335424426} is an apocalyptic number.

2121335424426 is an abundant number, since it is smaller than the sum of its proper divisors (2272473742614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121335424426 is a wasteful number, since it uses less digits than its factorization.

2121335424426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13442598.

The product of its digits is 276480, while the sum is 39.

The spelling of 2121335424426 in words is "two trillion, one hundred twenty-one billion, three hundred thirty-five million, four hundred twenty-four thousand, four hundred twenty-six".