1011111010012 has 48 divisors (see below), whose sum is σ = 1984697799840. Its totient is φ = 447902687232.

The previous prime is 1011111010001. The next prime is 1011111010051. The reversal of 1011111010012 is 2100101111101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2289493 + ... + 2695180.

It is an arithmetic number, because the mean of its divisors is an integer number (41347870830).

Almost surely, 2^{1011111010012} is an apocalyptic number.

It is an amenable number.

1011111010012 is a deficient number, since it is larger than the sum of its proper divisors (973586789828).

1011111010012 is a wasteful number, since it uses less digits than its factorization.

1011111010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4984870 (or 4984868 counting only the distinct ones).

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

Adding to 1011111010012 its reverse (2100101111101), we get a palindrome (3111212121113).

The spelling of 1011111010012 in words is "one trillion, eleven billion, one hundred eleven million, ten thousand, twelve".