22021120221131 has 2 divisors, whose sum is σ = 22021120221132. Its totient is φ = 22021120221130.

The previous prime is 22021120221127. The next prime is 22021120221181. The reversal of 22021120221131 is 13112202112022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22021120221131 - 2² = 22021120221127 is a prime.

It is a super-2 number, since 2×22021120221131² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22021120221181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010560110565 + 11010560110566.

It is an arithmetic number, because the mean of its divisors is an integer number (11010560110566).

Almost surely, 2^{22021120221131} is an apocalyptic number.

22021120221131 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021120221131 is an equidigital number, since it uses as much as digits as its factorization.

22021120221131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 22021120221131 its reverse (13112202112022), we get a palindrome (35133322333153).

The spelling of 22021120221131 in words is "twenty-two trillion, twenty-one billion, one hundred twenty million, two hundred twenty-one thousand, one hundred thirty-one".