111001022012 has 12 divisors (see below), whose sum is σ = 196710672480. Its totient is φ = 54797972736.

The previous prime is 111001022009. The next prime is 111001022017. The reversal of 111001022012 is 210220100111.

It is a junction number, because it is equal to n+sod(n) for n = 111001021984 and 111001022002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001022017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175634213 + ... + 175634844.

It is an arithmetic number, because the mean of its divisors is an integer number (16392556040).

Almost surely, 2^111001022012 is an apocalyptic number.

It is an amenable number.

111001022012 is a deficient number, since it is larger than the sum of its proper divisors (85709650468).

111001022012 is a wasteful number, since it uses less digits than its factorization.

111001022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351269140 (or 351269138 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111001022012 its reverse (210220100111), we get a palindrome (321221122123).

The spelling of 111001022012 in words is "one hundred eleven billion, one million, twenty-two thousand, twelve".