1001220200122 has 8 divisors (see below), whose sum is σ = 1502412638400. Its totient is φ = 500415987324.

The previous prime is 1001220200117. The next prime is 1001220200131. The reversal of 1001220200122 is 2210020221001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97049922 + ... + 97060237.

It is an arithmetic number, because the mean of its divisors is an integer number (187801579800).

Almost surely, 2^{1001220200122} is an apocalyptic number.

1001220200122 is a deficient number, since it is larger than the sum of its proper divisors (501192438278).

1001220200122 is a wasteful number, since it uses less digits than its factorization.

1001220200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194112740.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1001220200122 its reverse (2210020221001), we get a palindrome (3211240421123).

The spelling of 1001220200122 in words is "one trillion, one billion, two hundred twenty million, two hundred thousand, one hundred twenty-two".