1111010221312 has 18 divisors (see below), whose sum is σ = 2217680559458. Its totient is φ = 555505110528.

The previous prime is 1111010221297. The next prime is 1111010221331. The reversal of 1111010221312 is 2131220101111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 773105181696 + 337905039616 = 879264^2 + 581296^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2169941583 + ... + 2169942094.

Almost surely, 2^{1111010221312} is an apocalyptic number.

It is an amenable number.

1111010221312 is a deficient number, since it is larger than the sum of its proper divisors (1106670338146).

1111010221312 is an frugal number, since it uses more digits than its factorization.

1111010221312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339883693 (or 4339883679 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1111010221312 its reverse (2131220101111), we get a palindrome (3242230322423).

The spelling of 1111010221312 in words is "one trillion, one hundred eleven billion, ten million, two hundred twenty-one thousand, three hundred twelve".