2220021121218 has 16 divisors (see below), whose sum is σ = 4440194426016. Its totient is φ = 739981676480.

The previous prime is 2220021121217. The next prime is 2220021121243. The reversal of 2220021121218 is 8121211200222.

It is not an unprimeable number, because it can be changed into a prime (2220021121211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6150903 + ... + 6501818.

It is an arithmetic number, because the mean of its divisors is an integer number (277512151626).

Almost surely, 2^{2220021121218} is an apocalyptic number.

2220021121218 is an abundant number, since it is smaller than the sum of its proper divisors (2220173304798).

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

2220021121218 is a wasteful number, since it uses less digits than its factorization.

2220021121218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12681969.

The product of its (nonzero) digits is 512, while the sum is 24.

The spelling of 2220021121218 in words is "two trillion, two hundred twenty billion, twenty-one million, one hundred twenty-one thousand, two hundred eighteen".