2121330101 has 8 divisors (see below), whose sum is σ = 2363416704. Its totient is φ = 1887449920.

The previous prime is 2121330059. The next prime is 2121330109. The reversal of 2121330101 is 1010331212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2121330101 - 2³⁰ = 1047588277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121330109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2051060 + ... + 2052093.

It is an arithmetic number, because the mean of its divisors is an integer number (295427088).

Almost surely, 2^2121330101 is an apocalyptic number.

It is an amenable number.

2121330101 is a deficient number, since it is larger than the sum of its proper divisors (242086603).

2121330101 is a wasteful number, since it uses less digits than its factorization.

2121330101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103211.

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

The square root of 2121330101 is about 46057.8994418981. The cubic root of 2121330101 is about 1284.9002634718.

Adding to 2121330101 its reverse (1010331212), we get a palindrome (3131661313).

The spelling of 2121330101 in words is "two billion, one hundred twenty-one million, three hundred thirty thousand, one hundred one".