1211120321333 has 32 divisors (see below), whose sum is σ = 1376771235840. Its totient is φ = 1056157237440.

The previous prime is 1211120321221. The next prime is 1211120321347. The reversal of 1211120321333 is 3331230211121.

It is a cyclic number.

It is not a de Polignac number, because 1211120321333 - 2⁸ = 1211120321077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1211120321299 and 1211120321308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211120321393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263800868 + ... + 263805458.

It is an arithmetic number, because the mean of its divisors is an integer number (43024101120).

Almost surely, 2^{1211120321333} is an apocalyptic number.

1211120321333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1211120321333 is a deficient number, since it is larger than the sum of its proper divisors (165650914507).

1211120321333 is a wasteful number, since it uses less digits than its factorization.

1211120321333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7377.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1211120321333 its reverse (3331230211121), we get a palindrome (4542350532454).

The spelling of 1211120321333 in words is "one trillion, two hundred eleven billion, one hundred twenty million, three hundred twenty-one thousand, three hundred thirty-three".