1001201022211 has 8 divisors (see below), whose sum is σ = 1088108381360. Its totient is φ = 915706791072.

The previous prime is 1001201022203. The next prime is 1001201022233. The reversal of 1001201022211 is 1122201021001.

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

It is a cyclic number.

It is not a de Polignac number, because 1001201022211 - 2³ = 1001201022203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1001201022191 and 1001201022200.

It is not an unprimeable number, because it can be changed into a prime (1001201022251) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 353280525 + ... + 353283358.

It is an arithmetic number, because the mean of its divisors is an integer number (136013547670).

Almost surely, 2^{1001201022211} is an apocalyptic number.

1001201022211 is a deficient number, since it is larger than the sum of its proper divisors (86907359149).

1001201022211 is a wasteful number, since it uses less digits than its factorization.

1001201022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706564005.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1001201022211 its reverse (1122201021001), we get a palindrome (2123402043212).

The spelling of 1001201022211 in words is "one trillion, one billion, two hundred one million, twenty-two thousand, two hundred eleven".