111012012222123 has 8 divisors (see below), whose sum is σ = 148016099393488. Its totient is φ = 74007966599424.

The previous prime is 111012012222101. The next prime is 111012012222149. The reversal of 111012012222123 is 321222210210111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111012012222123 - 2¹³ = 111012012213931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111012012222123.

It is not an unprimeable number, because it can be changed into a prime (111012012222523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3500590 + ... + 15306147.

It is an arithmetic number, because the mean of its divisors is an integer number (18502012424186).

Almost surely, 2^{111012012222123} is an apocalyptic number.

111012012222123 is a deficient number, since it is larger than the sum of its proper divisors (37004087171365).

111012012222123 is a wasteful number, since it uses less digits than its factorization.

111012012222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20774333.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 111012012222123 its reverse (321222210210111), we get a palindrome (432234222432234).

The spelling of 111012012222123 in words is "one hundred eleven trillion, twelve billion, twelve million, two hundred twenty-two thousand, one hundred twenty-three".