11211020021982 has 16 divisors (see below), whose sum is σ = 24460407320832. Its totient is φ = 3397278794520.

The previous prime is 11211020021969. The next prime is 11211020022001. The reversal of 11211020021982 is 28912002011211.

11211020021982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84931969798 + ... + 84931969929.

It is an arithmetic number, because the mean of its divisors is an integer number (1528775457552).

Almost surely, 2^{11211020021982} is an apocalyptic number.

11211020021982 is an abundant number, since it is smaller than the sum of its proper divisors (13249387298850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11211020021982 is a wasteful number, since it uses less digits than its factorization.

11211020021982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169863939743.

The product of its (nonzero) digits is 1152, while the sum is 30.

The spelling of 11211020021982 in words is "eleven trillion, two hundred eleven billion, twenty million, twenty-one thousand, nine hundred eighty-two".