22130122021 has 8 divisors (see below), whose sum is σ = 25329835904. Its totient is φ = 18939975120.

The previous prime is 22130122009. The next prime is 22130122051. The reversal of 22130122021 is 12022103122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22130122021 - 2¹⁵ = 22130089253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22130121986 and 22130122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22130122051) 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, 2386785 + ... + 2396038.

It is an arithmetic number, because the mean of its divisors is an integer number (3166229488).

Almost surely, 2^22130122021 is an apocalyptic number.

It is an amenable number.

22130122021 is a deficient number, since it is larger than the sum of its proper divisors (3199713883).

22130122021 is an equidigital number, since it uses as much as digits as its factorization.

22130122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783491.

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

Adding to 22130122021 its reverse (12022103122), we get a palindrome (34152225143).

The spelling of 22130122021 in words is "twenty-two billion, one hundred thirty million, one hundred twenty-two thousand, twenty-one".