2022221221104 has 160 divisors (see below), whose sum is σ = 6049001728000. Its totient is φ = 570175137792.

The previous prime is 2022221221091. The next prime is 2022221221157. The reversal of 2022221221104 is 4011221222202.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 55432182 + ... + 55468650.

It is an arithmetic number, because the mean of its divisors is an integer number (37806260800).

Almost surely, 2^{2022221221104} is an apocalyptic number.

2022221221104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2022221221104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3024500864000).

2022221221104 is an abundant number, since it is smaller than the sum of its proper divisors (4026780506896).

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

2022221221104 is a wasteful number, since it uses less digits than its factorization.

2022221221104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38655 (or 38649 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2022221221104 its reverse (4011221222202), we get a palindrome (6033442443306).

The spelling of 2022221221104 in words is "two trillion, twenty-two billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred four".