2011001301 has 6 divisors (see below), whose sum is σ = 2904779670. Its totient is φ = 1340667528.

The previous prime is 2011001261. The next prime is 2011001303. The reversal of 2011001301 is 1031001102.

It can be written as a sum of positive squares in only one way, i.e., 1393230276 + 617771025 = 37326^2 + 24855^2 .

It is not a de Polignac number, because 2011001301 - 2²³ = 2002612693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 223444589 = 2011001301 / (2 + 0 + 1 + 1 + 0 + 0 + 1 + 3 + 0 + 1).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011001303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111722286 + ... + 111722303.

It is an arithmetic number, because the mean of its divisors is an integer number (484129945).

Almost surely, 2^2011001301 is an apocalyptic number.

It is an amenable number.

2011001301 is a deficient number, since it is larger than the sum of its proper divisors (893778369).

2011001301 is a wasteful number, since it uses less digits than its factorization.

2011001301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223444595 (or 223444592 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 2011001301 is about 44844.1891553410. The cubic root of 2011001301 is about 1262.2269555063.

Adding to 2011001301 its reverse (1031001102), we get a palindrome (3042002403).

The spelling of 2011001301 in words is "two billion, eleven million, one thousand, three hundred one".