22110222221020 has 12 divisors (see below), whose sum is σ = 46431466664184. Its totient is φ = 8844088888400.

The previous prime is 22110222220993. The next prime is 22110222221027. The reversal of 22110222221020 is 2012222201122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110222221027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552755555506 + ... + 552755555545.

It is an arithmetic number, because the mean of its divisors is an integer number (3869288888682).

Almost surely, 2^{22110222221020} is an apocalyptic number.

22110222221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110222221020 is an abundant number, since it is smaller than the sum of its proper divisors (24321244443164).

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

22110222221020 is a wasteful number, since it uses less digits than its factorization.

22110222221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105511111060 (or 1105511111058 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22110222221020 its reverse (2012222201122), we get a palindrome (24122444422142).

The spelling of 22110222221020 in words is "twenty-two trillion, one hundred ten billion, two hundred twenty-two million, two hundred twenty-one thousand, twenty".