1221133334411 has 8 divisors (see below), whose sum is σ = 1230455649744. Its totient is φ = 1211816945920.

The previous prime is 1221133334363. The next prime is 1221133334437. The reversal of 1221133334411 is 1144333311221.

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 1221133334411 - 2³⁴ = 1203953465227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1221133330411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1067630 + ... + 1892643.

It is an arithmetic number, because the mean of its divisors is an integer number (153806956218).

Almost surely, 2^{1221133334411} is an apocalyptic number.

1221133334411 is a deficient number, since it is larger than the sum of its proper divisors (9322315333).

1221133334411 is a wasteful number, since it uses less digits than its factorization.

1221133334411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963421.

The product of its digits is 5184, while the sum is 29.

Adding to 1221133334411 its reverse (1144333311221), we get a palindrome (2365466645632).

The spelling of 1221133334411 in words is "one trillion, two hundred twenty-one billion, one hundred thirty-three million, three hundred thirty-four thousand, four hundred eleven".