1211222213333 has 8 divisors (see below), whose sum is σ = 1324091854080. Its totient is φ = 1098812327680.

The previous prime is 1211222213309. The next prime is 1211222213413. The reversal of 1211222213333 is 3333122221121.

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 1211222213333 - 2³⁰ = 1210148471509 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 (1211222213933) 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, 114933260 + ... + 114943797.

It is an arithmetic number, because the mean of its divisors is an integer number (165511481760).

Almost surely, 2^{1211222213333} is an apocalyptic number.

It is an amenable number.

1211222213333 is a deficient number, since it is larger than the sum of its proper divisors (112869640747).

1211222213333 is a wasteful number, since it uses less digits than its factorization.

1211222213333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229877547.

The product of its digits is 2592, while the sum is 26.

Adding to 1211222213333 its reverse (3333122221121), we get a palindrome (4544344434454).

The spelling of 1211222213333 in words is "one trillion, two hundred eleven billion, two hundred twenty-two million, two hundred thirteen thousand, three hundred thirty-three".