2123013101 has 16 divisors (see below), whose sum is σ = 2344144320. Its totient is φ = 1906644480.

The previous prime is 2123013049. The next prime is 2123013119. The reversal of 2123013101 is 1013103212.

It is a cyclic number.

It is not a de Polignac number, because 2123013101 - 2¹⁴ = 2122996717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123013161) 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, 720890 + ... + 723828.

It is an arithmetic number, because the mean of its divisors is an integer number (146509020).

Almost surely, 2^2123013101 is an apocalyptic number.

It is an amenable number.

2123013101 is a deficient number, since it is larger than the sum of its proper divisors (221131219).

2123013101 is a wasteful number, since it uses less digits than its factorization.

2123013101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3724.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2123013101 is about 46076.1663010281. The cubic root of 2123013101 is about 1285.2399741578.

Adding to 2123013101 its reverse (1013103212), we get a palindrome (3136116313).

The spelling of 2123013101 in words is "two billion, one hundred twenty-three million, thirteen thousand, one hundred one".