2221122022110 has 192 divisors, whose sum is σ = 5888546838720. Its totient is φ = 580750940160.

The previous prime is 2221122022103. The next prime is 2221122022117. The reversal of 2221122022110 is 112202211222.

It is a happy number.

2221122022110 is a `hidden beast` number, since 2 + 2 + 211 + 220 + 221 + 10 = 666.

It is an interprime number because it is at equal distance from previous prime (2221122022103) and next prime (2221122022117).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221122022117) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1037421640 + ... + 1037423780.

It is an arithmetic number, because the mean of its divisors is an integer number (30669514785).

Almost surely, 2^{2221122022110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221122022110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2944273419360).

2221122022110 is an abundant number, since it is smaller than the sum of its proper divisors (3667424816610).

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

2221122022110 is a wasteful number, since it uses less digits than its factorization.

2221122022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083 (or 3080 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2221122022110 its reverse (112202211222), we get a palindrome (2333324233332).

The spelling of 2221122022110 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-two million, twenty-two thousand, one hundred ten".