1201300311111 has 16 divisors (see below), whose sum is σ = 1754434533600. Its totient is φ = 727765434368.

The previous prime is 1201300311083. The next prime is 1201300311121. The reversal of 1201300311111 is 1111130031021.

It is a cyclic number.

It is not a de Polignac number, because 1201300311111 - 2¹⁷ = 1201300180039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201300311121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406117626 + ... + 406120583.

It is an arithmetic number, because the mean of its divisors is an integer number (109652158350).

Almost surely, 2^{1201300311111} is an apocalyptic number.

1201300311111 is a deficient number, since it is larger than the sum of its proper divisors (553134222489).

1201300311111 is a wasteful number, since it uses less digits than its factorization.

1201300311111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812238258.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1201300311111 its reverse (1111130031021), we get a palindrome (2312430342132).

The spelling of 1201300311111 in words is "one trillion, two hundred one billion, three hundred million, three hundred eleven thousand, one hundred eleven".