111012221022 has 8 divisors (see below), whose sum is σ = 222024442056. Its totient is φ = 37004073672.

The previous prime is 111012221017. The next prime is 111012221029. The reversal of 111012221022 is 220122210111.

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

111012221022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 111012220992 and 111012221010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012221029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9251018413 + ... + 9251018424.

It is an arithmetic number, because the mean of its divisors is an integer number (27753055257).

Almost surely, 2^111012221022 is an apocalyptic number.

111012221022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

111012221022 is a wasteful number, since it uses less digits than its factorization.

111012221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18502036842.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111012221022 its reverse (220122210111), we get a palindrome (331134431133).

The spelling of 111012221022 in words is "one hundred eleven billion, twelve million, two hundred twenty-one thousand, twenty-two".