211421023414 has 8 divisors (see below), whose sum is σ = 317290663800. Its totient is φ = 105657468816.

The previous prime is 211421023343. The next prime is 211421023459. The reversal of 211421023414 is 414320124112.

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, 26516464 + ... + 26524435.

It is an arithmetic number, because the mean of its divisors is an integer number (39661332975).

Almost surely, 2^211421023414 is an apocalyptic number.

211421023414 is a deficient number, since it is larger than the sum of its proper divisors (105869640386).

211421023414 is a wasteful number, since it uses less digits than its factorization.

211421023414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53042894.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 211421023414 its reverse (414320124112), we get a palindrome (625741147526).

The spelling of 211421023414 in words is "two hundred eleven billion, four hundred twenty-one million, twenty-three thousand, four hundred fourteen".