21223424100134 has 8 divisors (see below), whose sum is σ = 31835192257440. Its totient is φ = 10611693347656.

The previous prime is 21223424100101. The next prime is 21223424100139. The reversal of 21223424100134 is 43100142432212.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21223424100097 and 21223424100106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21223424100139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7886849 + ... + 10229820.

It is an arithmetic number, because the mean of its divisors is an integer number (3979399032180).

Almost surely, 2^{21223424100134} is an apocalyptic number.

21223424100134 is a deficient number, since it is larger than the sum of its proper divisors (10611768157306).

21223424100134 is a wasteful number, since it uses less digits than its factorization.

21223424100134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18702414.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 21223424100134 its reverse (43100142432212), we get a palindrome (64323566532346).

The spelling of 21223424100134 in words is "twenty-one trillion, two hundred twenty-three billion, four hundred twenty-four million, one hundred thousand, one hundred thirty-four".