22110412521 has 8 divisors (see below), whose sum is σ = 29668324864. Its totient is φ = 14646387600.

The previous prime is 22110412487. The next prime is 22110412549. The reversal of 22110412521 is 12521401122.

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

It is not a de Polignac number, because 22110412521 - 2¹¹ = 22110410473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22110412561) 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, 23471305 + ... + 23472246.

It is an arithmetic number, because the mean of its divisors is an integer number (3708540608).

Almost surely, 2^22110412521 is an apocalyptic number.

It is an amenable number.

22110412521 is a deficient number, since it is larger than the sum of its proper divisors (7557912343).

22110412521 is a wasteful number, since it uses less digits than its factorization.

22110412521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46943711.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 22110412521 its reverse (12521401122), we get a palindrome (34631813643).

The spelling of 22110412521 in words is "twenty-two billion, one hundred ten million, four hundred twelve thousand, five hundred twenty-one".