221122001020011 has 192 divisors, whose sum is σ = 376939959201792. Its totient is φ = 112852798096896.

The previous prime is 221122001019991. The next prime is 221122001020099. The reversal of 221122001020011 is 110020100221122.

It is not a de Polignac number, because 221122001020011 - 2⁴² = 216723954508907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221122001021011) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3414293716 + ... + 3414358478.

It is an arithmetic number, because the mean of its divisors is an integer number (1963228954176).

Almost surely, 2^{221122001020011} is an apocalyptic number.

221122001020011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

221122001020011 is a deficient number, since it is larger than the sum of its proper divisors (155817958181781).

221122001020011 is a wasteful number, since it uses less digits than its factorization.

221122001020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65122 (or 65109 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221122001020011 its reverse (110020100221122), we get a palindrome (331142101241133).

The spelling of 221122001020011 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, one million, twenty thousand, eleven".