1301111211233 has 2 divisors, whose sum is σ = 1301111211234. Its totient is φ = 1301111211232.

The previous prime is 1301111211181. The next prime is 1301111211263. The reversal of 1301111211233 is 3321121111031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1135211404369 + 165899806864 = 1065463^2 + 407308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301111211233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1301111211263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650555605616 + 650555605617.

It is an arithmetic number, because the mean of its divisors is an integer number (650555605617).

Almost surely, 2^{1301111211233} is an apocalyptic number.

It is an amenable number.

1301111211233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301111211233 is an equidigital number, since it uses as much as digits as its factorization.

1301111211233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1301111211233 its reverse (3321121111031), we get a palindrome (4622232322264).

The spelling of 1301111211233 in words is "one trillion, three hundred one billion, one hundred eleven million, two hundred eleven thousand, two hundred thirty-three".