1111122111022 has 16 divisors (see below), whose sum is σ = 2077942649472. Its totient is φ = 432904718520.

The previous prime is 1111122111019. The next prime is 1111122111041. The reversal of 1111122111022 is 2201112211111.

It is a junction number, because it is equal to n+sod(n) for n = 1111122110987 and 1111122111005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3607539168 + ... + 3607539475.

It is an arithmetic number, because the mean of its divisors is an integer number (129871415592).

Almost surely, 2^{1111122111022} is an apocalyptic number.

1111122111022 is a deficient number, since it is larger than the sum of its proper divisors (966820538450).

1111122111022 is a wasteful number, since it uses less digits than its factorization.

1111122111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7215078663.

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

Adding to 1111122111022 its reverse (2201112211111), we get a palindrome (3312234322133).

The spelling of 1111122111022 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, twenty-two".