2120000222220 has 96 divisors (see below), whose sum is σ = 5964339116736. Its totient is φ = 562637414400.

The previous prime is 2120000222201. The next prime is 2120000222243. The reversal of 2120000222220 is 222220000212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2120000222220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23626240 + ... + 23715800.

It is an arithmetic number, because the mean of its divisors is an integer number (62128532466).

Almost surely, 2^{2120000222220} is an apocalyptic number.

2120000222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120000222220 is an abundant number, since it is smaller than the sum of its proper divisors (3844338894516).

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

2120000222220 is a wasteful number, since it uses less digits than its factorization.

2120000222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91451 (or 91449 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2120000222220 its reverse (222220000212), we get a palindrome (2342220222432).

The spelling of 2120000222220 in words is "two trillion, one hundred twenty billion, two hundred twenty-two thousand, two hundred twenty".