22120020021013 has 16 divisors (see below), whose sum is σ = 23007756087936. Its totient is φ = 21252839999040.

The previous prime is 22120020020983. The next prime is 22120020021019. The reversal of 22120020021013 is 31012002002122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22120020021013 - 2¹⁷ = 22120019889941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120020021019) 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, 14336481 + ... + 15804262.

It is an arithmetic number, because the mean of its divisors is an integer number (1437984755496).

Almost surely, 2^{22120020021013} is an apocalyptic number.

It is an amenable number.

22120020021013 is a deficient number, since it is larger than the sum of its proper divisors (887736066923).

22120020021013 is a wasteful number, since it uses less digits than its factorization.

22120020021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30141084.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22120020021013 its reverse (31012002002122), we get a palindrome (53132022023135).

The spelling of 22120020021013 in words is "twenty-two trillion, one hundred twenty billion, twenty million, twenty-one thousand, thirteen".