1001222021002 has 8 divisors (see below), whose sum is σ = 1716380607456. Its totient is φ = 429095151852.

The previous prime is 1001222020993. The next prime is 1001222021011. The reversal of 1001222021002 is 2001202221001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1001222020993) and next prime (1001222021011).

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, 35757929308 + ... + 35757929335.

It is an arithmetic number, because the mean of its divisors is an integer number (214547575932).

Almost surely, 2^{1001222021002} is an apocalyptic number.

1001222021002 is a deficient number, since it is larger than the sum of its proper divisors (715158586454).

1001222021002 is an equidigital number, since it uses as much as digits as its factorization.

1001222021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71515858652.

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

Adding to 1001222021002 its reverse (2001202221001), we get a palindrome (3002424242003).

The spelling of 1001222021002 in words is "one trillion, one billion, two hundred twenty-two million, twenty-one thousand, two".