2121040386294 has 16 divisors (see below), whose sum is σ = 4242146042160. Its totient is φ = 707002583840.

The previous prime is 2121040386277. The next prime is 2121040386329. The reversal of 2121040386294 is 4926830401212.

It is a happy number.

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, 2291937 + ... + 3081404.

It is an arithmetic number, because the mean of its divisors is an integer number (265134127635).

Almost surely, 2^{2121040386294} is an apocalyptic number.

2121040386294 is an abundant number, since it is smaller than the sum of its proper divisors (2121105655866).

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

2121040386294 is a wasteful number, since it uses less digits than its factorization.

2121040386294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5439135.

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 2121040386294 in words is "two trillion, one hundred twenty-one billion, forty million, three hundred eighty-six thousand, two hundred ninety-four".