22131222011 has 2 divisors, whose sum is σ = 22131222012. Its totient is φ = 22131222010.

The previous prime is 22131221969. The next prime is 22131222019. The reversal of 22131222011 is 11022213122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22131222011 - 2¹⁴ = 22131205627 is a prime.

It is a super-3 number, since 3×22131222011³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22131222019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065611005 + 11065611006.

It is an arithmetic number, because the mean of its divisors is an integer number (11065611006).

Almost surely, 2^22131222011 is an apocalyptic number.

22131222011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22131222011 is an equidigital number, since it uses as much as digits as its factorization.

22131222011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22131222011 its reverse (11022213122), we get a palindrome (33153435133).

The spelling of 22131222011 in words is "twenty-two billion, one hundred thirty-one million, two hundred twenty-two thousand, eleven".