1021203330011 has 8 divisors (see below), whose sum is σ = 1031166898944. Its totient is φ = 1011240703080.

The previous prime is 1021203329953. The next prime is 1021203330031. The reversal of 1021203330011 is 1100333021201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021203330011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021203330031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2050970 + ... + 2499776.

It is an arithmetic number, because the mean of its divisors is an integer number (128895862368).

Almost surely, 2^{1021203330011} is an apocalyptic number.

1021203330011 is a deficient number, since it is larger than the sum of its proper divisors (9963568933).

1021203330011 is a wasteful number, since it uses less digits than its factorization.

1021203330011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471001.

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

Adding to 1021203330011 its reverse (1100333021201), we get a palindrome (2121536351212).

The spelling of 1021203330011 in words is "one trillion, twenty-one billion, two hundred three million, three hundred thirty thousand, eleven".