1201132023911 has 2 divisors, whose sum is σ = 1201132023912. Its totient is φ = 1201132023910.

The previous prime is 1201132023887. The next prime is 1201132023967. The reversal of 1201132023911 is 1193202311021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201132023911 - 2¹⁴ = 1201132007527 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201132043911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600566011955 + 600566011956.

It is an arithmetic number, because the mean of its divisors is an integer number (600566011956).

Almost surely, 2^{1201132023911} is an apocalyptic number.

1201132023911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201132023911 is an equidigital number, since it uses as much as digits as its factorization.

1201132023911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

Adding to 1201132023911 its reverse (1193202311021), we get a palindrome (2394334334932).

The spelling of 1201132023911 in words is "one trillion, two hundred one billion, one hundred thirty-two million, twenty-three thousand, nine hundred eleven".