1211222033023 has 4 divisors (see below), whose sum is σ = 1214242537248. Its totient is φ = 1208201528800.

The previous prime is 1211222033009. The next prime is 1211222033053. The reversal of 1211222033023 is 3203302221121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1211222033023 - 2¹⁷ = 1211221901951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1211222032985 and 1211222033003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211222033053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1510251511 + ... + 1510252312.

It is an arithmetic number, because the mean of its divisors is an integer number (303560634312).

Almost surely, 2^{1211222033023} is an apocalyptic number.

1211222033023 is a deficient number, since it is larger than the sum of its proper divisors (3020504225).

1211222033023 is an equidigital number, since it uses as much as digits as its factorization.

1211222033023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020504224.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1211222033023 its reverse (3203302221121), we get a palindrome (4414524254144).

The spelling of 1211222033023 in words is "one trillion, two hundred eleven billion, two hundred twenty-two million, thirty-three thousand, twenty-three".