11022120111012 has 24 divisors (see below), whose sum is σ = 25733052438912. Its totient is φ = 3671929725600.

The previous prime is 11022120111007. The next prime is 11022120111031. The reversal of 11022120111012 is 21011102122011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11022120110982 and 11022120111000.

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 7 ways as a sum of consecutive naturals, for example, 263767164 + ... + 263808947.

It is an arithmetic number, because the mean of its divisors is an integer number (1072210518288).

Almost surely, 2^{11022120111012} is an apocalyptic number.

11022120111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11022120111012 is an abundant number, since it is smaller than the sum of its proper divisors (14710932327900).

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

11022120111012 is a wasteful number, since it uses less digits than its factorization.

11022120111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527577859 (or 527577857 counting only the distinct ones).

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

Adding to 11022120111012 its reverse (21011102122011), we get a palindrome (32033222233023).

The spelling of 11022120111012 in words is "eleven trillion, twenty-two billion, one hundred twenty million, one hundred eleven thousand, twelve".