11020111122 has 16 divisors (see below), whose sum is σ = 22552786080. Its totient is φ = 3587943072.

The previous prime is 11020111087. The next prime is 11020111129. The reversal of 11020111122 is 22111102011.

It is a junction number, because it is equal to n+sod(n) for n = 11020111098 and 11020111107.

It is not an unprimeable number, because it can be changed into a prime (11020111129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21356547 + ... + 21357062.

It is an arithmetic number, because the mean of its divisors is an integer number (1409549130).

Almost surely, 2^11020111122 is an apocalyptic number.

11020111122 is an abundant number, since it is smaller than the sum of its proper divisors (11532674958).

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

11020111122 is a wasteful number, since it uses less digits than its factorization.

11020111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42713657.

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

Adding to 11020111122 its reverse (22111102011), we get a palindrome (33131213133).

The spelling of 11020111122 in words is "eleven billion, twenty million, one hundred eleven thousand, one hundred twenty-two".