111101012022 has 288 divisors, whose sum is σ = 303993720576. Its totient is φ = 26484606720.

The previous prime is 111101011949. The next prime is 111101012047. The reversal of 111101012022 is 220210101111.

It is a junction number, because it is equal to n+sod(n) for n = 111101011989 and 111101012007.

It is a congruent number.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 237903433 + ... + 237903899.

It is an arithmetic number, because the mean of its divisors is an integer number (1055533752).

Almost surely, 2^111101012022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111101012022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151996860288).

111101012022 is an abundant number, since it is smaller than the sum of its proper divisors (192892708554).

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

111101012022 is a wasteful number, since it uses less digits than its factorization.

111101012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111101012022 its reverse (220210101111), we get a palindrome (331311113133).

The spelling of 111101012022 in words is "one hundred eleven billion, one hundred one million, twelve thousand, twenty-two".