2011001021211 has 32 divisors (see below), whose sum is σ = 3300811637760. Its totient is φ = 1060520413824.

The previous prime is 2011001021179. The next prime is 2011001021221. The reversal of 2011001021211 is 1121201001102.

It is not a de Polignac number, because 2011001021211 - 2⁵ = 2011001021179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011001021221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 490201 + ... + 2064533.

It is an arithmetic number, because the mean of its divisors is an integer number (103150363680).

Almost surely, 2^{2011001021211} is an apocalyptic number.

2011001021211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2011001021211 is a deficient number, since it is larger than the sum of its proper divisors (1289810616549).

2011001021211 is a wasteful number, since it uses less digits than its factorization.

2011001021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579035.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2011001021211 its reverse (1121201001102), we get a palindrome (3132202022313).

The spelling of 2011001021211 in words is "two trillion, eleven billion, one million, twenty-one thousand, two hundred eleven".