21421201114 has 8 divisors (see below), whose sum is σ = 32136950880. Its totient is φ = 10708884156.

The previous prime is 21421201093. The next prime is 21421201121. The reversal of 21421201114 is 41110212412.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 21421201091 and 21421201100.

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, 842544 + ... + 867595.

It is an arithmetic number, because the mean of its divisors is an integer number (4017118860).

Almost surely, 2^21421201114 is an apocalyptic number.

21421201114 is a deficient number, since it is larger than the sum of its proper divisors (10715749766).

21421201114 is a wasteful number, since it uses less digits than its factorization.

21421201114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716404.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 21421201114 its reverse (41110212412), we get a palindrome (62531413526).

The spelling of 21421201114 in words is "twenty-one billion, four hundred twenty-one million, two hundred one thousand, one hundred fourteen".