11012111022 has 80 divisors (see below), whose sum is σ = 24601224960. Its totient is φ = 3285440400.

The previous prime is 11012111003. The next prime is 11012111023. The reversal of 11012111022 is 22011121011.

It is a junction number, because it is equal to n+sod(n) for n = 11012110989 and 11012111007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012111023) 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 39 ways as a sum of consecutive naturals, for example, 5884747 + ... + 5886617.

It is an arithmetic number, because the mean of its divisors is an integer number (307515312).

Almost surely, 2^11012111022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11012111022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12300612480).

11012111022 is an abundant number, since it is smaller than the sum of its proper divisors (13589113938).

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

11012111022 is an equidigital number, since it uses as much as digits as its factorization.

11012111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987 (or 1954 counting only the distinct ones).

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

Adding to 11012111022 its reverse (22011121011), we get a palindrome (33023232033).

The spelling of 11012111022 in words is "eleven billion, twelve million, one hundred eleven thousand, twenty-two".