22141302121 has 4 divisors (see below), whose sum is σ = 22142197332. Its totient is φ = 22140406912.

The previous prime is 22141302103. The next prime is 22141302149. The reversal of 22141302121 is 12120314122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1061456400 + 21079845721 = 32580^2 + 145189^2 .

It is a cyclic number.

It is not a de Polignac number, because 22141302121 - 2¹⁹ = 22140777833 is a prime.

It is a super-2 number, since 2×22141302121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22141300121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409420 + ... + 460333.

It is an arithmetic number, because the mean of its divisors is an integer number (5535549333).

Almost surely, 2^22141302121 is an apocalyptic number.

It is an amenable number.

22141302121 is a deficient number, since it is larger than the sum of its proper divisors (895211).

22141302121 is an equidigital number, since it uses as much as digits as its factorization.

22141302121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895210.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22141302121 its reverse (12120314122), we get a palindrome (34261616243).

The spelling of 22141302121 in words is "twenty-two billion, one hundred forty-one million, three hundred two thousand, one hundred twenty-one".