22134102421 has 8 divisors (see below), whose sum is σ = 23335416000. Its totient is φ = 20936424960.

The previous prime is 22134102407. The next prime is 22134102449. The reversal of 22134102421 is 12420143122.

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 22134102421 - 2¹⁹ = 22133578133 is a prime.

It is a super-3 number, since 3×22134102421³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22134102392 and 22134102401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22134102481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896521 + ... + 920878.

It is an arithmetic number, because the mean of its divisors is an integer number (2916927000).

Almost surely, 2^22134102421 is an apocalyptic number.

It is an amenable number.

22134102421 is a deficient number, since it is larger than the sum of its proper divisors (1201313579).

22134102421 is a wasteful number, since it uses less digits than its factorization.

22134102421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818059.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22134102421 its reverse (12420143122), we get a palindrome (34554245543).

The spelling of 22134102421 in words is "twenty-two billion, one hundred thirty-four million, one hundred two thousand, four hundred twenty-one".