1111022020012 has 24 divisors (see below), whose sum is σ = 1947183527520. Its totient is φ = 554684127360.

The previous prime is 1111022019953. The next prime is 1111022020039. The reversal of 1111022020012 is 2100202201111.

It is a junction number, because it is equal to n+sod(n) for n = 1111022019974 and 1111022020001.

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, 19328098 + ... + 19385494.

It is an arithmetic number, because the mean of its divisors is an integer number (81132646980).

Almost surely, 2^{1111022020012} is an apocalyptic number.

It is an amenable number.

1111022020012 is a deficient number, since it is larger than the sum of its proper divisors (836161507508).

1111022020012 is a wasteful number, since it uses less digits than its factorization.

1111022020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64521 (or 64519 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1111022020012 its reverse (2100202201111), we get a palindrome (3211224221123).

The spelling of 1111022020012 in words is "one trillion, one hundred eleven billion, twenty-two million, twenty thousand, twelve".