1222002220011 has 16 divisors (see below), whose sum is σ = 1630530031104. Its totient is φ = 814071502944.

The previous prime is 1222002219967. The next prime is 1222002220037. The reversal of 1222002220011 is 1100222002221.

It is not a de Polignac number, because 1222002220011 - 2¹⁴ = 1222002203627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222002220211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24152206 + ... + 24202748.

It is an arithmetic number, because the mean of its divisors is an integer number (101908126944).

Almost surely, 2^{1222002220011} is an apocalyptic number.

1222002220011 is a deficient number, since it is larger than the sum of its proper divisors (408527811093).

1222002220011 is a wasteful number, since it uses less digits than its factorization.

1222002220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56290.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1222002220011 its reverse (1100222002221), we get a palindrome (2322224222232).

The spelling of 1222002220011 in words is "one trillion, two hundred twenty-two billion, two million, two hundred twenty thousand, eleven".