1001203331122 has 64 divisors (see below), whose sum is σ = 1623259782144. Its totient is φ = 461946101760.

The previous prime is 1001203331111. The next prime is 1001203331153. The reversal of 1001203331122 is 2211333021001.

It is a super-2 number, since 2×1001203331122² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1001203331122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 418387158 + ... + 418389550.

It is an arithmetic number, because the mean of its divisors is an integer number (25363434096).

Almost surely, 2^{1001203331122} is an apocalyptic number.

1001203331122 is a deficient number, since it is larger than the sum of its proper divisors (622056451022).

1001203331122 is a wasteful number, since it uses less digits than its factorization.

1001203331122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4843.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1001203331122 its reverse (2211333021001), we get a palindrome (3212536352123).

The spelling of 1001203331122 in words is "one trillion, one billion, two hundred three million, three hundred thirty-one thousand, one hundred twenty-two".