111201021132311 has 16 divisors (see below), whose sum is σ = 122274702274560. Its totient is φ = 100288210639680.

The previous prime is 111201021132263. The next prime is 111201021132343. The reversal of 111201021132311 is 113231120102111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111201021132311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201021132371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15387860 + ... + 21428678.

It is an arithmetic number, because the mean of its divisors is an integer number (7642168892160).

Almost surely, 2^{111201021132311} is an apocalyptic number.

111201021132311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111201021132311 is a deficient number, since it is larger than the sum of its proper divisors (11073681142249).

111201021132311 is a wasteful number, since it uses less digits than its factorization.

111201021132311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6054134.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 111201021132311 its reverse (113231120102111), we get a palindrome (224432141234422).

The spelling of 111201021132311 in words is "one hundred eleven trillion, two hundred one billion, twenty-one million, one hundred thirty-two thousand, three hundred eleven".