1222020211331 has 8 divisors (see below), whose sum is σ = 1295645225184. Its totient is φ = 1148588694400.

The previous prime is 1222020211319. The next prime is 1222020211361. The reversal of 1222020211331 is 1331120202221.

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 1222020211331 - 2¹⁴ = 1222020194947 is a prime.

It is a super-2 number, since 2×1222020211331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222020211361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48361220 + ... + 48386481.

It is an arithmetic number, because the mean of its divisors is an integer number (161955653148).

Almost surely, 2^{1222020211331} is an apocalyptic number.

1222020211331 is a deficient number, since it is larger than the sum of its proper divisors (73625013853).

1222020211331 is an equidigital number, since it uses as much as digits as its factorization.

1222020211331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96748461.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1222020211331 its reverse (1331120202221), we get a palindrome (2553140413552).

The spelling of 1222020211331 in words is "one trillion, two hundred twenty-two billion, twenty million, two hundred eleven thousand, three hundred thirty-one".