111111010201012 has 12 divisors (see below), whose sum is σ = 194444540438400. Its totient is φ = 55555427218616.

The previous prime is 111111010201007. The next prime is 111111010201013. The reversal of 111111010201012 is 210102010111111.

It is a junction number, because it is equal to n+sod(n) for n = 111111010200983 and 111111010201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111010201013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16199428 + ... + 22014619.

It is an arithmetic number, because the mean of its divisors is an integer number (16203711703200).

Almost surely, 2^{111111010201012} is an apocalyptic number.

It is an amenable number.

111111010201012 is a deficient number, since it is larger than the sum of its proper divisors (83333530237388).

111111010201012 is a wasteful number, since it uses less digits than its factorization.

111111010201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38940950 (or 38940948 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111111010201012 its reverse (210102010111111), we get a palindrome (321213020312123).

The spelling of 111111010201012 in words is "one hundred eleven trillion, one hundred eleven billion, ten million, two hundred one thousand, twelve".