1001200022011 has 8 divisors (see below), whose sum is σ = 1149651482624. Its totient is φ = 854104282920.

The previous prime is 1001200021999. The next prime is 1001200022021. The reversal of 1001200022011 is 1102200021001.

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

It is not a de Polignac number, because 1001200022011 - 2²⁵ = 1001166467579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001200022021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338928795 + ... + 338931748.

It is an arithmetic number, because the mean of its divisors is an integer number (143706435328).

Almost surely, 2^{1001200022011} is an apocalyptic number.

1001200022011 is a deficient number, since it is larger than the sum of its proper divisors (148451460613).

1001200022011 is an equidigital number, since it uses as much as digits as its factorization.

1001200022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677860761.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1001200022011 its reverse (1102200021001), we get a palindrome (2103400043012).

The spelling of 1001200022011 in words is "one trillion, one billion, two hundred million, twenty-two thousand, eleven".