2891011201211 has 16 divisors (see below), whose sum is σ = 3335015856384. Its totient is φ = 2454759039264.

The previous prime is 2891011201207. The next prime is 2891011201241. The reversal of 2891011201211 is 1121021101982.

It is not a de Polignac number, because 2891011201211 - 2² = 2891011201207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2891011201241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26612441 + ... + 26720853.

It is an arithmetic number, because the mean of its divisors is an integer number (208438491024).

Almost surely, 2^{2891011201211} is an apocalyptic number.

2891011201211 is a deficient number, since it is larger than the sum of its proper divisors (444004655173).

2891011201211 is a wasteful number, since it uses less digits than its factorization.

2891011201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144130.

The product of its (nonzero) digits is 576, while the sum is 29.

The spelling of 2891011201211 in words is "two trillion, eight hundred ninety-one billion, eleven million, two hundred one thousand, two hundred eleven".