1222020210001 has 8 divisors (see below), whose sum is σ = 1222559460200. Its totient is φ = 1221481078272.

The previous prime is 1222020209981. The next prime is 1222020210007. The reversal of 1222020210001 is 1000120202221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9643043601 + 1212377166400 = 98199^2 + 1101080^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222020210001 - 2¹⁵ = 1222020177233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222020210007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25082401 + ... + 25131073.

It is an arithmetic number, because the mean of its divisors is an integer number (152819932525).

Almost surely, 2^{1222020210001} is an apocalyptic number.

It is an amenable number.

1222020210001 is a deficient number, since it is larger than the sum of its proper divisors (539250199).

1222020210001 is an equidigital number, since it uses as much as digits as its factorization.

1222020210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59235.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1222020210001 its reverse (1000120202221), we get a palindrome (2222140412222).

The spelling of 1222020210001 in words is "one trillion, two hundred twenty-two billion, twenty million, two hundred ten thousand, one".