1111001021012 has 96 divisors (see below), whose sum is σ = 2249361031680. Its totient is φ = 476819896320.

The previous prime is 1111001020979. The next prime is 1111001021017. The reversal of 1111001021012 is 2101201001111.

It is a junction number, because it is equal to n+sod(n) for n = 1111001020984 and 1111001021002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111001021017) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3554198 + ... + 3854130.

It is an arithmetic number, because the mean of its divisors is an integer number (23430844080).

Almost surely, 2^{1111001021012} is an apocalyptic number.

It is an amenable number.

1111001021012 is an abundant number, since it is smaller than the sum of its proper divisors (1138360010668).

1111001021012 is a wasteful number, since it uses less digits than its factorization.

1111001021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300081 (or 300079 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1111001021012 its reverse (2101201001111), we get a palindrome (3212202022123).

The spelling of 1111001021012 in words is "one trillion, one hundred eleven billion, one million, twenty-one thousand, twelve".