1022220221120 has 112 divisors (see below), whose sum is σ = 2902851606528. Its totient is φ = 335237422080.

The previous prime is 1022220221117. The next prime is 1022220221179. The reversal of 1022220221120 is 211220222201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9869096 + ... + 9972135.

Almost surely, 2^{1022220221120} is an apocalyptic number.

1022220221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022220221120 is an abundant number, since it is smaller than the sum of its proper divisors (1880631385408).

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

1022220221120 is a wasteful number, since it uses less digits than its factorization.

1022220221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19841278 (or 19841268 counting only the distinct ones).

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

Adding to 1022220221120 its reverse (211220222201), we get a palindrome (1233440443321).

The spelling of 1022220221120 in words is "one trillion, twenty-two billion, two hundred twenty million, two hundred twenty-one thousand, one hundred twenty".