2011122011001 has 8 divisors (see below), whose sum is σ = 2684860504704. Its totient is φ = 1339065762320.

The previous prime is 2011122010999. The next prime is 2011122011009. The reversal of 2011122011001 is 1001102211102.

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 2011122011001 - 2¹ = 2011122010999 is a prime.

It is a super-2 number, since 2×2011122011001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2011122011009) 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, 420558465 + ... + 420563246.

It is an arithmetic number, because the mean of its divisors is an integer number (335607563088).

Almost surely, 2^{2011122011001} is an apocalyptic number.

It is an amenable number.

2011122011001 is a deficient number, since it is larger than the sum of its proper divisors (673738493703).

2011122011001 is an equidigital number, since it uses as much as digits as its factorization.

2011122011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841122511.

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

Adding to 2011122011001 its reverse (1001102211102), we get a palindrome (3012224222103).

The spelling of 2011122011001 in words is "two trillion, eleven billion, one hundred twenty-two million, eleven thousand, one".