1222222200001 has 16 divisors (see below), whose sum is σ = 1379376988416. Its totient is φ = 1073278000000.

The previous prime is 1222222199909. The next prime is 1222222200007. The reversal of 1222222200001 is 1000022222221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222222200001 is a prime.

It is a super-5 number, since 5×1222222200001⁵ (a number of 62 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222222200007) 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 15 ways as a sum of consecutive naturals, for example, 13370425 + ... + 13461526.

It is an arithmetic number, because the mean of its divisors is an integer number (86211061776).

Almost surely, 2^{1222222200001} is an apocalyptic number.

1222222200001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222222200001 is a deficient number, since it is larger than the sum of its proper divisors (157154788415).

1222222200001 is a wasteful number, since it uses less digits than its factorization.

1222222200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26832104.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1222222200001 its reverse (1000022222221), we get a palindrome (2222244422222).

The spelling of 1222222200001 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred thousand, one".