1001000022211 has 16 divisors (see below), whose sum is σ = 1169934649344. Its totient is φ = 838598870304.

The previous prime is 1001000022107. The next prime is 1001000022221. The reversal of 1001000022211 is 1122200001001.

It is a cyclic number.

It is not a de Polignac number, because 1001000022211 - 2³³ = 992410087619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001000022221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1834255 + ... + 2316568.

It is an arithmetic number, because the mean of its divisors is an integer number (73120915584).

Almost surely, 2^{1001000022211} is an apocalyptic number.

1001000022211 is a deficient number, since it is larger than the sum of its proper divisors (168934627133).

1001000022211 is an equidigital number, since it uses as much as digits as its factorization.

1001000022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151610.

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

Adding to 1001000022211 its reverse (1122200001001), we get a palindrome (2123200023212).

The spelling of 1001000022211 in words is "one trillion, one billion, twenty-two thousand, two hundred eleven".