2011230101 has 16 divisors (see below), whose sum is σ = 2242940544. Its totient is φ = 1793662464.

The previous prime is 2011230083. The next prime is 2011230223. The reversal of 2011230101 is 1010321102.

It is a cyclic number.

It is not a de Polignac number, because 2011230101 - 2¹⁴ = 2011213717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011230401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17801 + ... + 65873.

It is an arithmetic number, because the mean of its divisors is an integer number (140183784).

Almost surely, 2^2011230101 is an apocalyptic number.

It is an amenable number.

2011230101 is a deficient number, since it is larger than the sum of its proper divisors (231710443).

2011230101 is a wasteful number, since it uses less digits than its factorization.

2011230101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48220.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2011230101 is about 44846.7401379409. The cubic root of 2011230101 is about 1262.2748232982.

Adding to 2011230101 its reverse (1010321102), we get a palindrome (3021551203).

The spelling of 2011230101 in words is "two billion, eleven million, two hundred thirty thousand, one hundred one".