11111021102012 has 12 divisors (see below), whose sum is σ = 20940001307736. Its totient is φ = 5128163585520.

The previous prime is 11111021101969. The next prime is 11111021102029. The reversal of 11111021102012 is 21020112011111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106836741314 + ... + 106836741417.

It is an arithmetic number, because the mean of its divisors is an integer number (1745000108978).

Almost surely, 2^{11111021102012} is an apocalyptic number.

It is an amenable number.

11111021102012 is a deficient number, since it is larger than the sum of its proper divisors (9828980205724).

11111021102012 is a wasteful number, since it uses less digits than its factorization.

11111021102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213673482748 (or 213673482746 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11111021102012 its reverse (21020112011111), we get a palindrome (32131133113123).

Subtracting 11111021102012 from its reverse (21020112011111), we obtain a palindrome (9909090909099).

The spelling of 11111021102012 in words is "eleven trillion, one hundred eleven billion, twenty-one million, one hundred two thousand, twelve".