1001022221022 has 16 divisors (see below), whose sum is σ = 2003879509632. Its totient is φ = 333368229080.

The previous prime is 1001022221011. The next prime is 1001022221029. The reversal of 1001022221022 is 2201222201001.

It is a junction number, because it is equal to n+sod(n) for n = 1001022220992 and 1001022221010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001022221029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76454058 + ... + 76467149.

It is an arithmetic number, because the mean of its divisors is an integer number (125242469352).

Almost surely, 2^{1001022221022} is an apocalyptic number.

1001022221022 is an abundant number, since it is smaller than the sum of its proper divisors (1002857288610).

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

1001022221022 is a wasteful number, since it uses less digits than its factorization.

1001022221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152922303.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1001022221022 its reverse (2201222201001), we get a palindrome (3202244422023).

The spelling of 1001022221022 in words is "one trillion, one billion, twenty-two million, two hundred twenty-one thousand, twenty-two".