220112211221131 has 2 divisors, whose sum is σ = 220112211221132. Its totient is φ = 220112211221130.

The previous prime is 220112211221051. The next prime is 220112211221143. The reversal of 220112211221131 is 131122112211022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220112211221131 - 2⁹ = 220112211220619 is a prime.

It is a super-2 number, since 2×220112211221131² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220112211221431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110056105610565 + 110056105610566.

It is an arithmetic number, because the mean of its divisors is an integer number (110056105610566).

Almost surely, 2^{220112211221131} is an apocalyptic number.

220112211221131 is a deficient number, since it is larger than the sum of its proper divisors (1).

220112211221131 is an equidigital number, since it uses as much as digits as its factorization.

220112211221131 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 22.

Adding to 220112211221131 its reverse (131122112211022), we get a palindrome (351234323432153).

The spelling of 220112211221131 in words is "two hundred twenty trillion, one hundred twelve billion, two hundred eleven million, two hundred twenty-one thousand, one hundred thirty-one".