1211211022133 has 8 divisors (see below), whose sum is σ = 1388692106880. Its totient is φ = 1034842672080.

The previous prime is 1211211022093. The next prime is 1211211022159. The reversal of 1211211022133 is 3312201121121.

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

It is not a de Polignac number, because 1211211022133 - 2¹⁰ = 1211211021109 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 (1211211322133) 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, 278181338 + ... + 278185691.

It is an arithmetic number, because the mean of its divisors is an integer number (173586513360).

Almost surely, 2^{1211211022133} is an apocalyptic number.

It is an amenable number.

1211211022133 is a deficient number, since it is larger than the sum of its proper divisors (177481084747).

1211211022133 is an equidigital number, since it uses as much as digits as its factorization.

1211211022133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556367347.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1211211022133 its reverse (3312201121121), we get a palindrome (4523412143254).

The spelling of 1211211022133 in words is "one trillion, two hundred eleven billion, two hundred eleven million, twenty-two thousand, one hundred thirty-three".