1001200221002 has 8 divisors (see below), whose sum is σ = 1507783600512. Its totient is φ = 498605687500.

The previous prime is 1001200220963. The next prime is 1001200221019. The reversal of 1001200221002 is 2001220021001.

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, 997210874 + ... + 997211877.

It is an arithmetic number, because the mean of its divisors is an integer number (188472950064).

Almost surely, 2^{1001200221002} is an apocalyptic number.

1001200221002 is a deficient number, since it is larger than the sum of its proper divisors (506583379510).

1001200221002 is a wasteful number, since it uses less digits than its factorization.

1001200221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994423004.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1001200221002 its reverse (2001220021001), we get a palindrome (3002420242003).

The spelling of 1001200221002 in words is "one trillion, one billion, two hundred million, two hundred twenty-one thousand, two".