221111120082 has 16 divisors (see below), whose sum is σ = 443489356800. Its totient is φ = 73492520592.

The previous prime is 221111120081. The next prime is 221111120123. The reversal of 221111120082 is 280021111122.

221111120082 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221111120081) 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, 52794258 + ... + 52798445.

It is an arithmetic number, because the mean of its divisors is an integer number (27718084800).

Almost surely, 2^221111120082 is an apocalyptic number.

221111120082 is an abundant number, since it is smaller than the sum of its proper divisors (222378236718).

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

221111120082 is a wasteful number, since it uses less digits than its factorization.

221111120082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105593057.

The product of its (nonzero) digits is 128, while the sum is 21.

The spelling of 221111120082 in words is "two hundred twenty-one billion, one hundred eleven million, one hundred twenty thousand, eighty-two".