2220022121010 has 128 divisors (see below), whose sum is σ = 5711092095744. Its totient is φ = 550309478400.

The previous prime is 2220022120997. The next prime is 2220022121047. The reversal of 2220022121010 is 101212200222.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 224217060 + ... + 224226960.

It is an arithmetic number, because the mean of its divisors is an integer number (44617906998).

Almost surely, 2^{2220022121010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220022121010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2855546047872).

2220022121010 is an abundant number, since it is smaller than the sum of its proper divisors (3491069974734).

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

2220022121010 is a wasteful number, since it uses less digits than its factorization.

2220022121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15308.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2220022121010 its reverse (101212200222), we get a palindrome (2321234321232).

The spelling of 2220022121010 in words is "two trillion, two hundred twenty billion, twenty-two million, one hundred twenty-one thousand, ten".