12022221222011 has 32 divisors (see below), whose sum is σ = 16991288025600. Its totient is φ = 8192228129280.

The previous prime is 12022221221981. The next prime is 12022221222013. The reversal of 12022221222011 is 11022212222021.

It is not a de Polignac number, because 12022221222011 - 2¹⁴ = 12022221205627 is a prime.

It is a super-2 number, since 2×12022221222011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12022221222013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 316039166 + ... + 316077203.

It is an arithmetic number, because the mean of its divisors is an integer number (530977750800).

Almost surely, 2^{12022221222011} is an apocalyptic number.

12022221222011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12022221222011 is a deficient number, since it is larger than the sum of its proper divisors (4969066803589).

12022221222011 is a wasteful number, since it uses less digits than its factorization.

12022221222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632116419.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12022221222011 its reverse (11022212222021), we get a palindrome (23044433444032).

The spelling of 12022221222011 in words is "twelve trillion, twenty-two billion, two hundred twenty-one million, two hundred twenty-two thousand, eleven".