21401111200432 has 20 divisors (see below), whose sum is σ = 41781177023256. Its totient is φ = 10618871968640.

The previous prime is 21401111200429. The next prime is 21401111200477. The reversal of 21401111200432 is 23400211110412.

It is a super-2 number, since 2×21401111200432² (a number of 27 digits) contains 22 as substring.

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, 5105224813 + ... + 5105229004.

Almost surely, 2^{21401111200432} is an apocalyptic number.

It is an amenable number.

21401111200432 is a deficient number, since it is larger than the sum of its proper divisors (20380065822824).

21401111200432 is a wasteful number, since it uses less digits than its factorization.

21401111200432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10210453956 (or 10210453950 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 21401111200432 its reverse (23400211110412), we get a palindrome (44801322310844).

The spelling of 21401111200432 in words is "twenty-one trillion, four hundred one billion, one hundred eleven million, two hundred thousand, four hundred thirty-two".