1021222201022 has 16 divisors (see below), whose sum is σ = 1555167848832. Its totient is φ = 502849209240.

The previous prime is 1021222200959. The next prime is 1021222201031. The reversal of 1021222201022 is 2201022221201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3946928 + ... + 4197699.

It is an arithmetic number, because the mean of its divisors is an integer number (97197990552).

Almost surely, 2^{1021222201022} is an apocalyptic number.

1021222201022 is a deficient number, since it is larger than the sum of its proper divisors (533945647810).

1021222201022 is an equidigital number, since it uses as much as digits as its factorization.

1021222201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8145583.

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

Adding to 1021222201022 its reverse (2201022221201), we get a palindrome (3222244422223).

The spelling of 1021222201022 in words is "one trillion, twenty-one billion, two hundred twenty-two million, two hundred one thousand, twenty-two".