1111101001012 has 6 divisors (see below), whose sum is σ = 1944426751778. Its totient is φ = 555550500504.

The previous prime is 1111101000949. The next prime is 1111101001027. The reversal of 1111101001012 is 2101001011111.

It can be written as a sum of positive squares in only one way, i.e., 1111029834916 + 71166096 = 1054054^2 + 8436^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1111101001012.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 138887625123 + ... + 138887625130.

Almost surely, 2^{1111101001012} is an apocalyptic number.

It is an amenable number.

1111101001012 is a deficient number, since it is larger than the sum of its proper divisors (833325750766).

1111101001012 is a wasteful number, since it uses less digits than its factorization.

1111101001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277775250257 (or 277775250255 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1111101001012 its reverse (2101001011111), we get a palindrome (3212102012123).

The spelling of 1111101001012 in words is "one trillion, one hundred eleven billion, one hundred one million, one thousand, twelve".