2001222010022 has 16 divisors (see below), whose sum is σ = 3288011823360. Its totient is φ = 909277342848.

The previous prime is 2001222009989. The next prime is 2001222010031. The reversal of 2001222010022 is 2200102221002.

It is a junction number, because it is equal to n+sod(n) for n = 2001222009979 and 2001222010006.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1014817478 + ... + 1014819449.

It is an arithmetic number, because the mean of its divisors is an integer number (205500738960).

Almost surely, 2^{2001222010022} is an apocalyptic number.

2001222010022 is a deficient number, since it is larger than the sum of its proper divisors (1286789813338).

2001222010022 is a wasteful number, since it uses less digits than its factorization.

2001222010022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029636975.

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

Adding to 2001222010022 its reverse (2200102221002), we get a palindrome (4201324231024).

The spelling of 2001222010022 in words is "two trillion, one billion, two hundred twenty-two million, ten thousand, twenty-two".