2124321101 has 16 divisors (see below), whose sum is σ = 2537913600. Its totient is φ = 1738543488.

The previous prime is 2124321091. The next prime is 2124321103. The reversal of 2124321101 is 1011234212.

It is a cyclic number.

It is not a de Polignac number, because 2124321101 - 2¹⁸ = 2124058957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2124321101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124321103) 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, 80015 + ... + 103203.

It is an arithmetic number, because the mean of its divisors is an integer number (158619600).

Almost surely, 2^2124321101 is an apocalyptic number.

It is an amenable number.

2124321101 is a deficient number, since it is larger than the sum of its proper divisors (413592499).

2124321101 is a wasteful number, since it uses less digits than its factorization.

2124321101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23788.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2124321101 is about 46090.3580046847. The cubic root of 2124321101 is about 1285.5038677657.

Adding to 2124321101 its reverse (1011234212), we get a palindrome (3135555313).

The spelling of 2124321101 in words is "two billion, one hundred twenty-four million, three hundred twenty-one thousand, one hundred one".