1311200201101 has 16 divisors (see below), whose sum is σ = 1539098435200. Its totient is φ = 1093451244480.

The previous prime is 1311200201063. The next prime is 1311200201153. The reversal of 1311200201101 is 1011020021131.

It is a happy number.

It is not a de Polignac number, because 1311200201101 - 2³³ = 1302610266509 is a prime.

It is a super-2 number, since 2×1311200201101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311260201101) 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, 5016550 + ... + 5271448.

It is an arithmetic number, because the mean of its divisors is an integer number (96193652200).

Almost surely, 2^{1311200201101} is an apocalyptic number.

It is an amenable number.

1311200201101 is a deficient number, since it is larger than the sum of its proper divisors (227898234099).

1311200201101 is a wasteful number, since it uses less digits than its factorization.

1311200201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274804.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1311200201101 its reverse (1011020021131), we get a palindrome (2322220222232).

The spelling of 1311200201101 in words is "one trillion, three hundred eleven billion, two hundred million, two hundred one thousand, one hundred one".