1022222120000 has 280 divisors, whose sum is σ = 2656624608000. Its totient is φ = 389390848000.

The previous prime is 1022222119979. The next prime is 1022222120033. The reversal of 1022222120000 is 212222201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 219877676 + ... + 219882324.

Almost surely, 2^{1022222120000} is an apocalyptic number.

1022222120000 is a gapful number since it is divisible by the number (10) 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 1022222120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1328312304000).

1022222120000 is an abundant number, since it is smaller than the sum of its proper divisors (1634402488000).

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

1022222120000 is an equidigital number, since it uses as much as digits as its factorization.

1022222120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943 (or 4918 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1022222120000 its reverse (212222201), we get a palindrome (1022434342201).

It can be divided in two parts, 102222 and 2120000, that added together give a palindrome (2222222).

The spelling of 1022222120000 in words is "one trillion, twenty-two billion, two hundred twenty-two million, one hundred twenty thousand".