1111151100321 has 12 divisors (see below), whose sum is σ = 1689469509520. Its totient is φ = 701779642200.

The previous prime is 1111151100317. The next prime is 1111151100337. The reversal of 1111151100321 is 1230011511111.

1111151100321 is a `hidden beast` number, since 11 + 111 + 511 + 0 + 0 + 32 + 1 = 666.

It is not a de Polignac number, because 1111151100321 - 2² = 1111151100317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111151100294 and 1111151100303.

It is not an unprimeable number, because it can be changed into a prime (1111151100341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3248979655 + ... + 3248979996.

Almost surely, 2^{1111151100321} is an apocalyptic number.

It is an amenable number.

1111151100321 is a deficient number, since it is larger than the sum of its proper divisors (578318409199).

1111151100321 is a wasteful number, since it uses less digits than its factorization.

1111151100321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6497959676 (or 6497959673 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 18.

Adding to 1111151100321 its reverse (1230011511111), we get a palindrome (2341162611432).

The spelling of 1111151100321 in words is "one trillion, one hundred eleven billion, one hundred fifty-one million, one hundred thousand, three hundred twenty-one".