1201132113111 has 24 divisors (see below), whose sum is σ = 2099457813024. Its totient is φ = 645987018240.

The previous prime is 1201132113109. The next prime is 1201132113133. The reversal of 1201132113111 is 1113112311021.

1201132113111 is a `hidden beast` number, since 1 + 20 + 11 + 321 + 1 + 311 + 1 = 666.

It is not a de Polignac number, because 1201132113111 - 2¹ = 1201132113109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201132113101) 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, 560751550 + ... + 560753691.

It is an arithmetic number, because the mean of its divisors is an integer number (87477408876).

Almost surely, 2^{1201132113111} is an apocalyptic number.

1201132113111 is a deficient number, since it is larger than the sum of its proper divisors (898325699913).

1201132113111 is a wasteful number, since it uses less digits than its factorization.

1201132113111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121505271 (or 1121505268 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 1201132113111 its reverse (1113112311021), we get a palindrome (2314244424132).

The spelling of 1201132113111 in words is "one trillion, two hundred one billion, one hundred thirty-two million, one hundred thirteen thousand, one hundred eleven".