111221010011022 has 64 divisors (see below), whose sum is σ = 223406756052480. Its totient is φ = 36913168656000.

The previous prime is 111221010010949. The next prime is 111221010011029. The reversal of 111221010011022 is 220110010122111.

It is a happy number.

It is a super-2 number, since 2×111221010011022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111221010010992 and 111221010011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111221010011029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9077037048 + ... + 9077049300.

It is an arithmetic number, because the mean of its divisors is an integer number (3490730563320).

Almost surely, 2^{111221010011022} is an apocalyptic number.

111221010011022 is an abundant number, since it is smaller than the sum of its proper divisors (112185746041458).

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

111221010011022 is a wasteful number, since it uses less digits than its factorization.

111221010011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17609.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111221010011022 its reverse (220110010122111), we get a palindrome (331331020133133).

The spelling of 111221010011022 in words is "one hundred eleven trillion, two hundred twenty-one billion, ten million, eleven thousand, twenty-two".