1001011213222 has 16 divisors (see below), whose sum is σ = 1522794726144. Its totient is φ = 493414173000.

The previous prime is 1001011213187. The next prime is 1001011213277. The reversal of 1001011213222 is 2223121101001.

It is a junction number, because it is equal to n+sod(n) for n = 1001011213196 and 1001011213205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405447 + ... + 1994317.

It is an arithmetic number, because the mean of its divisors is an integer number (95174670384).

Almost surely, 2^{1001011213222} is an apocalyptic number.

1001011213222 is a deficient number, since it is larger than the sum of its proper divisors (521783512922).

1001011213222 is a wasteful number, since it uses less digits than its factorization.

1001011213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600915.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1001011213222 its reverse (2223121101001), we get a palindrome (3224132314223).

The spelling of 1001011213222 in words is "one trillion, one billion, eleven million, two hundred thirteen thousand, two hundred twenty-two".