21401400414422 has 16 divisors (see below), whose sum is σ = 36730825278720. Its totient is φ = 9161351178408.

The previous prime is 21401400414403. The next prime is 21401400414467. The reversal of 21401400414422 is 22441400410412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 889785098 + ... + 889809149.

It is an arithmetic number, because the mean of its divisors is an integer number (2295676579920).

Almost surely, 2^{21401400414422} is an apocalyptic number.

21401400414422 is a deficient number, since it is larger than the sum of its proper divisors (15329424864298).

21401400414422 is a wasteful number, since it uses less digits than its factorization.

21401400414422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779595115.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 21401400414422 its reverse (22441400410412), we get a palindrome (43842800824834).

The spelling of 21401400414422 in words is "twenty-one trillion, four hundred one billion, four hundred million, four hundred fourteen thousand, four hundred twenty-two".