22121324310 has 32 divisors (see below), whose sum is σ = 54526077792. Its totient is φ = 5739586560.

The previous prime is 22121324293. The next prime is 22121324311. The reversal of 22121324310 is 1342312122.

It is a super-2 number, since 2×22121324310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121324311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9963451 + ... + 9965670.

It is an arithmetic number, because the mean of its divisors is an integer number (1703939931).

Almost surely, 2^22121324310 is an apocalyptic number.

22121324310 is an abundant number, since it is smaller than the sum of its proper divisors (32404753482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22121324310 is a wasteful number, since it uses less digits than its factorization.

22121324310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19929168.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22121324310 its reverse (1342312122), we get a palindrome (23463636432).

The spelling of 22121324310 in words is "twenty-two billion, one hundred twenty-one million, three hundred twenty-four thousand, three hundred ten".