1000221001122 has 64 divisors (see below), whose sum is σ = 2386510387200. Its totient is φ = 273250331904.

The previous prime is 1000221001097. The next prime is 1000221001123. The reversal of 1000221001122 is 2211001220001.

It is a junction number, because it is equal to n+sod(n) for n = 1000221001098 and 1000221001107.

It is not an unprimeable number, because it can be changed into a prime (1000221001123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2415418 + ... + 2799050.

It is an arithmetic number, because the mean of its divisors is an integer number (37289224800).

Almost surely, 2^{1000221001122} is an apocalyptic number.

1000221001122 is an abundant number, since it is smaller than the sum of its proper divisors (1386289386078).

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

1000221001122 is a wasteful number, since it uses less digits than its factorization.

1000221001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386367.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1000221001122 its reverse (2211001220001), we get a palindrome (3211222221123).

The spelling of 1000221001122 in words is "one trillion, two hundred twenty-one million, one thousand, one hundred twenty-two".