2013021101 has 32 divisors (see below), whose sum is σ = 2613811200. Its totient is φ = 1505511360.

The previous prime is 2013021089. The next prime is 2013021103. The reversal of 2013021101 is 1011203102.

It is not a de Polignac number, because 2013021101 - 2¹⁰ = 2013020077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013021103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 986240 + ... + 988278.

It is an arithmetic number, because the mean of its divisors is an integer number (81681600).

Almost surely, 2^2013021101 is an apocalyptic number.

It is an amenable number.

2013021101 is a deficient number, since it is larger than the sum of its proper divisors (600790099).

2013021101 is a wasteful number, since it uses less digits than its factorization.

2013021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649.

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

The square root of 2013021101 is about 44866.7037010744. The cubic root of 2013021101 is about 1262.6493972928.

Adding to 2013021101 its reverse (1011203102), we get a palindrome (3024224203).

The spelling of 2013021101 in words is "two billion, thirteen million, twenty-one thousand, one hundred one".