1011211200323 has 2 divisors, whose sum is σ = 1011211200324. Its totient is φ = 1011211200322.

The previous prime is 1011211200283. The next prime is 1011211200359. The reversal of 1011211200323 is 3230021121101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011211200323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011211200523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505605600161 + 505605600162.

It is an arithmetic number, because the mean of its divisors is an integer number (505605600162).

Almost surely, 2^{1011211200323} is an apocalyptic number.

1011211200323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011211200323 is an equidigital number, since it uses as much as digits as its factorization.

1011211200323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1011211200323 its reverse (3230021121101), we get a palindrome (4241232321424).

The spelling of 1011211200323 in words is "one trillion, eleven billion, two hundred eleven million, two hundred thousand, three hundred twenty-three".