21022111400134 has 8 divisors (see below), whose sum is σ = 33958795338720. Its totient is φ = 9702512953896.

The previous prime is 21022111400077. The next prime is 21022111400179. The reversal of 21022111400134 is 43100411122012.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404271373054 + ... + 404271373105.

It is an arithmetic number, because the mean of its divisors is an integer number (4244849417340).

Almost surely, 2^{21022111400134} is an apocalyptic number.

21022111400134 is a deficient number, since it is larger than the sum of its proper divisors (12936683938586).

21022111400134 is a wasteful number, since it uses less digits than its factorization.

21022111400134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808542746174.

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

Adding to 21022111400134 its reverse (43100411122012), we get a palindrome (64122522522146).

The spelling of 21022111400134 in words is "twenty-one trillion, twenty-two billion, one hundred eleven million, four hundred thousand, one hundred thirty-four".