1222021021201 has 8 divisors (see below), whose sum is σ = 1253511270144. Its totient is φ = 1190611003680.

The previous prime is 1222021021189. The next prime is 1222021021261. The reversal of 1222021021201 is 1021201202221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222021021201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222021021261) 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, 20027001 + ... + 20087926.

It is an arithmetic number, because the mean of its divisors is an integer number (156688908768).

Almost surely, 2^{1222021021201} is an apocalyptic number.

It is an amenable number.

1222021021201 is a deficient number, since it is larger than the sum of its proper divisors (31490248943).

1222021021201 is an equidigital number, since it uses as much as digits as its factorization.

1222021021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40115711.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1222021021201 its reverse (1021201202221), we get a palindrome (2243222223422).

The spelling of 1222021021201 in words is "one trillion, two hundred twenty-two billion, twenty-one million, twenty-one thousand, two hundred one".