1211032222211 has 8 divisors (see below), whose sum is σ = 1386175991040. Its totient is φ = 1036423244808.

The previous prime is 1211032222201. The next prime is 1211032222259. The reversal of 1211032222211 is 1122222301121.

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

It is not a de Polignac number, because 1211032222211 - 2¹⁴ = 1211032205827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211032222201) 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, 133693001 + ... + 133702058.

It is an arithmetic number, because the mean of its divisors is an integer number (173271998880).

Almost surely, 2^{1211032222211} is an apocalyptic number.

1211032222211 is a deficient number, since it is larger than the sum of its proper divisors (175143768829).

1211032222211 is an equidigital number, since it uses as much as digits as its factorization.

1211032222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267395713.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1211032222211 its reverse (1122222301121), we get a palindrome (2333254523332).

The spelling of 1211032222211 in words is "one trillion, two hundred eleven billion, thirty-two million, two hundred twenty-two thousand, two hundred eleven".