11220001983 has 10 divisors (see below), whose sum is σ = 16760743824. Its totient is φ = 7480001268.

The previous prime is 11220001981. The next prime is 11220002041. The reversal of 11220001983 is 38910002211.

It is not a de Polignac number, because 11220001983 - 2¹ = 11220001981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220001981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 69259191 + ... + 69259352.

Almost surely, 2^11220001983 is an apocalyptic number.

11220001983 is a deficient number, since it is larger than the sum of its proper divisors (5540741841).

11220001983 is an equidigital number, since it uses as much as digits as its factorization.

11220001983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138518555 (or 138518546 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 11220001983 in words is "eleven billion, two hundred twenty million, one thousand, nine hundred eighty-three".