2220221002120 has 64 divisors (see below), whose sum is σ = 5460053883840. Its totient is φ = 805809312000.

The previous prime is 2220221002079. The next prime is 2220221002121. The reversal of 2220221002120 is 212001220222.

It is a super-3 number, since 3×2220221002120³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220221002094 and 2220221002103.

It is not an unprimeable number, because it can be changed into a prime (2220221002121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4593931 + ... + 5054170.

It is an arithmetic number, because the mean of its divisors is an integer number (85313341935).

Almost surely, 2^{2220221002120} is an apocalyptic number.

2220221002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220221002120 is an abundant number, since it is smaller than the sum of its proper divisors (3239832881720).

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

2220221002120 is a wasteful number, since it uses less digits than its factorization.

2220221002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9648646 (or 9648642 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2220221002120 its reverse (212001220222), we get a palindrome (2432222222342).

The spelling of 2220221002120 in words is "two trillion, two hundred twenty billion, two hundred twenty-one million, two thousand, one hundred twenty".