1330111221021 has 24 divisors (see below), whose sum is σ = 2122463640960. Its totient is φ = 795923856000.

The previous prime is 1330111221007. The next prime is 1330111221053. The reversal of 1330111221021 is 1201221110331.

1330111221021 is a `hidden beast` number, since 1 + 330 + 111 + 221 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 1330111221021 - 2³⁸ = 1055233314077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1330111220985 and 1330111221003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330111221071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85026780 + ... + 85042421.

It is an arithmetic number, because the mean of its divisors is an integer number (88435985040).

Almost surely, 2^{1330111221021} is an apocalyptic number.

1330111221021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1330111221021 is a deficient number, since it is larger than the sum of its proper divisors (792352419939).

1330111221021 is a wasteful number, since it uses less digits than its factorization.

1330111221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170069297 (or 170069294 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1330111221021 its reverse (1201221110331), we get a palindrome (2531332331352).

The spelling of 1330111221021 in words is "one trillion, three hundred thirty billion, one hundred eleven million, two hundred twenty-one thousand, twenty-one".