2121314199278 has 8 divisors (see below), whose sum is σ = 3182109588360. Its totient is φ = 1060611003160.

The previous prime is 2121314199259. The next prime is 2121314199293. The reversal of 2121314199278 is 8729914131212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22990688 + ... + 23082771.

It is an arithmetic number, because the mean of its divisors is an integer number (397763698545).

Almost surely, 2^{2121314199278} is an apocalyptic number.

2121314199278 is a deficient number, since it is larger than the sum of its proper divisors (1060795389082).

2121314199278 is a wasteful number, since it uses less digits than its factorization.

2121314199278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46096482.

The product of its digits is 435456, while the sum is 50.

The spelling of 2121314199278 in words is "two trillion, one hundred twenty-one billion, three hundred fourteen million, one hundred ninety-nine thousand, two hundred seventy-eight".