11001020021983 has 8 divisors (see below), whose sum is σ = 11298411203408. Its totient is φ = 10703632330944.

The previous prime is 11001020021969. The next prime is 11001020021987. The reversal of 11001020021983 is 38912002010011.

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

It is a cyclic number.

It is not a de Polignac number, because 11001020021983 - 2²⁹ = 11000483151071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001020021987) 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, 6303160 + ... + 7856962.

It is an arithmetic number, because the mean of its divisors is an integer number (1412301400426).

Almost surely, 2^{11001020021983} is an apocalyptic number.

11001020021983 is a deficient number, since it is larger than the sum of its proper divisors (297391181425).

11001020021983 is a wasteful number, since it uses less digits than its factorization.

11001020021983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745193.

The product of its (nonzero) digits is 864, while the sum is 28.

Adding to 11001020021983 its reverse (38912002010011), we get a palindrome (49913022031994).

The spelling of 11001020021983 in words is "eleven trillion, one billion, twenty million, twenty-one thousand, nine hundred eighty-three".