1201323300111 has 24 divisors (see below), whose sum is σ = 1909746470736. Its totient is φ = 721631581440.

The previous prime is 1201323300077. The next prime is 1201323300161. The reversal of 1201323300111 is 1110033231021.

1201323300111 is a `hidden beast` number, since 1 + 201 + 323 + 30 + 0 + 111 = 666.

It is not a de Polignac number, because 1201323300111 - 2¹⁰ = 1201323299087 is a prime.

It is a super-2 number, since 2×1201323300111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201323300161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53681640 + ... + 53704013.

It is an arithmetic number, because the mean of its divisors is an integer number (79572769614).

Almost surely, 2^{1201323300111} is an apocalyptic number.

1201323300111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1201323300111 is a deficient number, since it is larger than the sum of its proper divisors (708423170625).

1201323300111 is a wasteful number, since it uses less digits than its factorization.

1201323300111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107385783 (or 107385780 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1201323300111 its reverse (1110033231021), we get a palindrome (2311356531132).

It can be divided in two parts, 120132 and 3300111, that added together give a palindrome (3420243).

The spelling of 1201323300111 in words is "one trillion, two hundred one billion, three hundred twenty-three million, three hundred thousand, one hundred eleven".