111211301013102 has 24 divisors (see below), whose sum is σ = 244907947042200. Its totient is φ = 36462721643280.

The previous prime is 111211301012983. The next prime is 111211301013103. The reversal of 111211301013102 is 201310103112111.

111211301013102 is a `hidden beast` number, since 1 + 1 + 121 + 130 + 101 + 310 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111211301013103) 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 11 ways as a sum of consecutive naturals, for example, 50642667852 + ... + 50642670047.

It is an arithmetic number, because the mean of its divisors is an integer number (10204497793425).

Almost surely, 2^{111211301013102} is an apocalyptic number.

111211301013102 is an abundant number, since it is smaller than the sum of its proper divisors (133696646029098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111211301013102 is a wasteful number, since it uses less digits than its factorization.

111211301013102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101285337968 (or 101285337965 counting only the distinct ones).

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

Adding to 111211301013102 its reverse (201310103112111), we get a palindrome (312521404125213).

The spelling of 111211301013102 in words is "one hundred eleven trillion, two hundred eleven billion, three hundred one million, thirteen thousand, one hundred two".