10221222011 has 64 divisors (see below), whose sum is σ = 14455203840. Its totient is φ = 6966051840.

The previous prime is 10221221993. The next prime is 10221222013. The reversal of 10221222011 is 11022212201.

It is not a de Polignac number, because 10221222011 - 2¹⁴ = 10221205627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10221222013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2507471 + ... + 2511543.

It is an arithmetic number, because the mean of its divisors is an integer number (225862560).

Almost surely, 2^10221222011 is an apocalyptic number.

10221222011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10221222011 is a deficient number, since it is larger than the sum of its proper divisors (4233981829).

10221222011 is a wasteful number, since it uses less digits than its factorization.

10221222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4236.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10221222011 its reverse (11022212201), we get a palindrome (21243434212).

It can be divided in two parts, 10221 and 222011, that added together give a palindrome (232232).

The spelling of 10221222011 in words is "ten billion, two hundred twenty-one million, two hundred twenty-two thousand, eleven".