22120301021 has 16 divisors (see below), whose sum is σ = 27238869504. Its totient is φ = 17492851584.

The previous prime is 22120300963. The next prime is 22120301039. The reversal of 22120301021 is 12010302122.

It is a happy number.

It is not a de Polignac number, because 22120301021 - 2²⁶ = 22053192157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22120300987 and 22120301005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120301521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120380 + ... + 242346.

It is an arithmetic number, because the mean of its divisors is an integer number (1702429344).

Almost surely, 2^22120301021 is an apocalyptic number.

It is an amenable number.

22120301021 is a deficient number, since it is larger than the sum of its proper divisors (5118568483).

22120301021 is a wasteful number, since it uses less digits than its factorization.

22120301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123980.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22120301021 its reverse (12010302122), we get a palindrome (34130603143).

The spelling of 22120301021 in words is "twenty-two billion, one hundred twenty million, three hundred one thousand, twenty-one".