1211021300330 has 32 divisors (see below), whose sum is σ = 2202739605504. Its totient is φ = 479339271936.

The previous prime is 1211021300311. The next prime is 1211021300387. The reversal of 1211021300330 is 330031201121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1211021300299 and 1211021300308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 758447 + ... + 1731266.

It is an arithmetic number, because the mean of its divisors is an integer number (68835612672).

Almost surely, 2^{1211021300330} is an apocalyptic number.

1211021300330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211021300330 is a deficient number, since it is larger than the sum of its proper divisors (991718305174).

1211021300330 is a wasteful number, since it uses less digits than its factorization.

1211021300330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490230.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1211021300330 its reverse (330031201121), we get a palindrome (1541052501451).

The spelling of 1211021300330 in words is "one trillion, two hundred eleven billion, twenty-one million, three hundred thousand, three hundred thirty".