2220100120000 has 140 divisors (see below), whose sum is σ = 6291574239280. Its totient is φ = 761177088000.

The previous prime is 2220100119997. The next prime is 2220100120009. The reversal of 2220100120000 is 210010222.

It is a tau number, because it is divible by the number of its divisors (140).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220100120009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3684465 + ... + 4244464.

Almost surely, 2^{2220100120000} is an apocalyptic number.

2220100120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220100120000 is an abundant number, since it is smaller than the sum of its proper divisors (4071474119280).

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

2220100120000 is an frugal number, since it uses more digits than its factorization.

2220100120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7928968 (or 7928943 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2220100120000 its reverse (210010222), we get a palindrome (2220310130222).

The spelling of 2220100120000 in words is "two trillion, two hundred twenty billion, one hundred million, one hundred twenty thousand".