2011011220001 has 8 divisors (see below), whose sum is σ = 2321992337280. Its totient is φ = 1705953552768.

The previous prime is 2011011219967. The next prime is 2011011220003. The reversal of 2011011220001 is 1000221101102.

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 2011011220001 - 2¹⁰ = 2011011218977 is a prime.

It is a super-2 number, since 2×2011011220001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2011011220003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1480861781 + ... + 1480863138.

It is an arithmetic number, because the mean of its divisors is an integer number (290249042160).

Almost surely, 2^{2011011220001} is an apocalyptic number.

It is an amenable number.

2011011220001 is a deficient number, since it is larger than the sum of its proper divisors (310981117279).

2011011220001 is an equidigital number, since it uses as much as digits as its factorization.

2011011220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961725023.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2011011220001 its reverse (1000221101102), we get a palindrome (3011232321103).

The spelling of 2011011220001 in words is "two trillion, eleven billion, eleven million, two hundred twenty thousand, one".