21214378822298 has 8 divisors (see below), whose sum is σ = 31856652655392. Its totient is φ = 10595494603836.

The previous prime is 21214378822297. The next prime is 21214378822321. The reversal of 21214378822298 is 89222887341212.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21214378822297) 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, 5847401390 + ... + 5847405017.

It is an arithmetic number, because the mean of its divisors is an integer number (3982081581924).

Almost surely, 2^{21214378822298} is an apocalyptic number.

21214378822298 is a deficient number, since it is larger than the sum of its proper divisors (10642273833094).

21214378822298 is a wasteful number, since it uses less digits than its factorization.

21214378822298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11694807316.

The product of its digits is 12386304, while the sum is 59.

The spelling of 21214378822298 in words is "twenty-one trillion, two hundred fourteen billion, three hundred seventy-eight million, eight hundred twenty-two thousand, two hundred ninety-eight".