1213022233211 has 8 divisors (see below), whose sum is σ = 1241247111984. Its totient is φ = 1184798039040.

The previous prime is 1213022233193. The next prime is 1213022233261. The reversal of 1213022233211 is 1123322203121.

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-1213022233211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213022233261) 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, 5846531 + ... + 6050451.

It is an arithmetic number, because the mean of its divisors is an integer number (155155888998).

Almost surely, 2^{1213022233211} is an apocalyptic number.

1213022233211 is a deficient number, since it is larger than the sum of its proper divisors (28224878773).

1213022233211 is a wasteful number, since it uses less digits than its factorization.

1213022233211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342301.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1213022233211 its reverse (1123322203121), we get a palindrome (2336344436332).

The spelling of 1213022233211 in words is "one trillion, two hundred thirteen billion, twenty-two million, two hundred thirty-three thousand, two hundred eleven".