2220202021110 has 96 divisors (see below), whose sum is σ = 5532857759520. Its totient is φ = 570112708608.

The previous prime is 2220202021091. The next prime is 2220202021117. The reversal of 2220202021110 is 111202020222.

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 2220202021110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220202021117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3705136 + ... + 4262444.

It is an arithmetic number, because the mean of its divisors is an integer number (57633934995).

Almost surely, 2^{2220202021110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220202021110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2766428879760).

2220202021110 is an abundant number, since it is smaller than the sum of its proper divisors (3312655738410).

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

2220202021110 is a wasteful number, since it uses less digits than its factorization.

2220202021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557490 (or 557453 counting only the distinct ones).

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

Adding to 2220202021110 its reverse (111202020222), we get a palindrome (2331404041332).

The spelling of 2220202021110 in words is "two trillion, two hundred twenty billion, two hundred two million, twenty-one thousand, one hundred ten".