22120214135 has 4 divisors (see below), whose sum is σ = 26544256968. Its totient is φ = 17696171304.

The previous prime is 22120214113. The next prime is 22120214153. The reversal of 22120214135 is 53141202122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22120214135 - 2¹⁸ = 22119951991 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 22120214135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2212021409 + ... + 2212021418.

It is an arithmetic number, because the mean of its divisors is an integer number (6636064242).

Almost surely, 2^22120214135 is an apocalyptic number.

22120214135 is a deficient number, since it is larger than the sum of its proper divisors (4424042833).

22120214135 is an equidigital number, since it uses as much as digits as its factorization.

22120214135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4424042832.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 22120214135 its reverse (53141202122), we get a palindrome (75261416257).

The spelling of 22120214135 in words is "twenty-two billion, one hundred twenty million, two hundred fourteen thousand, one hundred thirty-five".