2122120101 has 8 divisors (see below), whose sum is σ = 2831071744. Its totient is φ = 1413957600.

The previous prime is 2122120087. The next prime is 2122120103. The reversal of 2122120101 is 1010212212.

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

It is not a de Polignac number, because 2122120101 - 2¹⁹ = 2121595813 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 (2122120103) 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, 190981 + ... + 201786.

It is an arithmetic number, because the mean of its divisors is an integer number (353883968).

Almost surely, 2^2122120101 is an apocalyptic number.

It is an amenable number.

2122120101 is a deficient number, since it is larger than the sum of its proper divisors (708951643).

2122120101 is a wasteful number, since it uses less digits than its factorization.

2122120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394571.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2122120101 is about 46066.4748054374. The cubic root of 2122120101 is about 1285.0597459944.

Adding to 2122120101 its reverse (1010212212), we get a palindrome (3132332313).

The spelling of 2122120101 in words is "two billion, one hundred twenty-two million, one hundred twenty thousand, one hundred one".