11220001982 has 32 divisors (see below), whose sum is σ = 19629086400. Its totient is φ = 4710866688.

The previous prime is 11220001981. The next prime is 11220002041. The reversal of 11220001982 is 28910002211.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94508 + ... + 177120.

It is an arithmetic number, because the mean of its divisors is an integer number (613408950).

Almost surely, 2^11220001982 is an apocalyptic number.

11220001982 is a deficient number, since it is larger than the sum of its proper divisors (8409084418).

11220001982 is a wasteful number, since it uses less digits than its factorization.

11220001982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82820.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 11220001982 in words is "eleven billion, two hundred twenty million, one thousand, nine hundred eighty-two".