22021002221120 has 56 divisors (see below), whose sum is σ = 59928584622144. Its totient is φ = 7550057903616.

The previous prime is 22021002221063. The next prime is 22021002221137. The reversal of 22021002221120 is 2112220012022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4915400042 + ... + 4915404521.

It is an arithmetic number, because the mean of its divisors is an integer number (1070153296824).

Almost surely, 2^{22021002221120} is an apocalyptic number.

22021002221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021002221120 is an abundant number, since it is smaller than the sum of its proper divisors (37907582401024).

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

22021002221120 is an equidigital number, since it uses as much as digits as its factorization.

22021002221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9830804587 (or 9830804577 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22021002221120 its reverse (2112220012022), we get a palindrome (24133222233142).

The spelling of 22021002221120 in words is "twenty-two trillion, twenty-one billion, two million, two hundred twenty-one thousand, one hundred twenty".