1111021231330 has 16 divisors (see below), whose sum is σ = 1999871182080. Its totient is φ = 444401166832.

The previous prime is 1111021231277. The next prime is 1111021231351. The reversal of 1111021231330 is 331321201111.

It is a junction number, because it is equal to n+sod(n) for n = 1111021231298 and 1111021231307.

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 in 7 ways as a sum of consecutive naturals, for example, 256114 + ... + 1512493.

It is an arithmetic number, because the mean of its divisors is an integer number (124991948880).

Almost surely, 2^{1111021231330} is an apocalyptic number.

1111021231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111021231330 is a deficient number, since it is larger than the sum of its proper divisors (888849950750).

1111021231330 is a wasteful number, since it uses less digits than its factorization.

1111021231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831433.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1111021231330 its reverse (331321201111), we get a palindrome (1442342432441).

The spelling of 1111021231330 in words is "one trillion, one hundred eleven billion, twenty-one million, two hundred thirty-one thousand, three hundred thirty".