1222021221133 has 8 divisors (see below), whose sum is σ = 1242757575360. Its totient is φ = 1201285671360.

The previous prime is 1222021221107. The next prime is 1222021221167. The reversal of 1222021221133 is 3311221202221.

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-1222021221133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222021225133) 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, 3407413 + ... + 3748933.

It is an arithmetic number, because the mean of its divisors is an integer number (155344696920).

Almost surely, 2^{1222021221133} is an apocalyptic number.

It is an amenable number.

1222021221133 is a deficient number, since it is larger than the sum of its proper divisors (20736354227).

1222021221133 is an equidigital number, since it uses as much as digits as its factorization.

1222021221133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402227.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1222021221133 its reverse (3311221202221), we get a palindrome (4533242423354).

The spelling of 1222021221133 in words is "one trillion, two hundred twenty-two billion, twenty-one million, two hundred twenty-one thousand, one hundred thirty-three".