1222220101011 has 64 divisors (see below), whose sum is σ = 2060282477568. Its totient is φ = 627147836928.

The previous prime is 1222220100989. The next prime is 1222220101031. The reversal of 1222220101011 is 1101010222221.

It is not a de Polignac number, because 1222220101011 - 2⁹ = 1222220100499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222220101031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93700456 + ... + 93713498.

It is an arithmetic number, because the mean of its divisors is an integer number (32191913712).

Almost surely, 2^{1222220101011} is an apocalyptic number.

1222220101011 is a deficient number, since it is larger than the sum of its proper divisors (838062376557).

1222220101011 is a wasteful number, since it uses less digits than its factorization.

1222220101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22380.

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

Adding to 1222220101011 its reverse (1101010222221), we get a palindrome (2323230323232).

It can be divided in two parts, 1222220 and 101011, that added together give a palindrome (1323231).

The spelling of 1222220101011 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, one hundred one thousand, eleven".