22121132135 has 8 divisors (see below), whose sum is σ = 26631827376. Its totient is φ = 17639259840.

The previous prime is 22121132107. The next prime is 22121132153. The reversal of 22121132135 is 53123112122.

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

It is not a de Polignac number, because 22121132135 - 2³⁴ = 4941262951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22121132135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7204046 + ... + 7207115.

It is an arithmetic number, because the mean of its divisors is an integer number (3328978422).

Almost surely, 2^22121132135 is an apocalyptic number.

22121132135 is a deficient number, since it is larger than the sum of its proper divisors (4510695241).

22121132135 is a wasteful number, since it uses less digits than its factorization.

22121132135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14411473.

The product of its digits is 720, while the sum is 23.

Adding to 22121132135 its reverse (53123112122), we get a palindrome (75244244257).

The spelling of 22121132135 in words is "twenty-two billion, one hundred twenty-one million, one hundred thirty-two thousand, one hundred thirty-five".