1211332211023 has 8 divisors (see below), whose sum is σ = 1322589580416. Its totient is φ = 1100264218200.

The previous prime is 1211332210999. The next prime is 1211332211027. The reversal of 1211332211023 is 3201122331121.

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 1211332211023 - 2³³ = 1202742276431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1211332210985 and 1211332211003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211332211027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47330763 + ... + 47356348.

It is an arithmetic number, because the mean of its divisors is an integer number (165323697552).

Almost surely, 2^{1211332211023} is an apocalyptic number.

1211332211023 is a deficient number, since it is larger than the sum of its proper divisors (111257369393).

1211332211023 is a wasteful number, since it uses less digits than its factorization.

1211332211023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94688285.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1211332211023 its reverse (3201122331121), we get a palindrome (4412454542144).

The spelling of 1211332211023 in words is "one trillion, two hundred eleven billion, three hundred thirty-two million, two hundred eleven thousand, twenty-three".