2011012210001 has 8 divisors (see below), whose sum is σ = 2035200456360. Its totient is φ = 1986859355008.

The previous prime is 2011012209989. The next prime is 2011012210007. The reversal of 2011012210001 is 1000122101102.

It can be written as a sum of positive squares in 4 ways, for example, as 256619243776 + 1754392966225 = 506576^2 + 1324535^2 .

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 2011012210001 - 2³⁴ = 1993832340817 is a prime.

It is a super-2 number, since 2×2011012210001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2011012210007) 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, 8733506 + ... + 8960811.

It is an arithmetic number, because the mean of its divisors is an integer number (254400057045).

Almost surely, 2^{2011012210001} is an apocalyptic number.

It is an amenable number.

2011012210001 is a deficient number, since it is larger than the sum of its proper divisors (24188246359).

2011012210001 is a wasteful number, since it uses less digits than its factorization.

2011012210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17695683.

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

Adding to 2011012210001 its reverse (1000122101102), we get a palindrome (3011134311103).

The spelling of 2011012210001 in words is "two trillion, eleven billion, twelve million, two hundred ten thousand, one".