421400211422111 has 8 divisors (see below), whose sum is σ = 425810373816000. Its totient is φ = 416994713402400.

The previous prime is 421400211422107. The next prime is 421400211422161. The reversal of 421400211422111 is 111224112004124.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 421400211422111 - 2² = 421400211422107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421400211422161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165911911 + ... + 1166273288.

It is an arithmetic number, because the mean of its divisors is an integer number (53226296727000).

Almost surely, 2^{421400211422111} is an apocalyptic number.

421400211422111 is a deficient number, since it is larger than the sum of its proper divisors (4410162393889).

421400211422111 is a wasteful number, since it uses less digits than its factorization.

421400211422111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332187089.

The product of its (nonzero) digits is 1024, while the sum is 26.

Adding to 421400211422111 its reverse (111224112004124), we get a palindrome (532624323426235).

The spelling of 421400211422111 in words is "four hundred twenty-one trillion, four hundred billion, two hundred eleven million, four hundred twenty-two thousand, one hundred eleven".