2115454101 has 8 divisors (see below), whose sum is σ = 2886201120. Its totient is φ = 1377504912.

The previous prime is 2115454063. The next prime is 2115454111. The reversal of 2115454101 is 1014545112.

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

It is not a de Polignac number, because 2115454101 - 2¹⁴ = 2115437717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115454111) 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, 8199306 + ... + 8199563.

It is an arithmetic number, because the mean of its divisors is an integer number (360775140).

Almost surely, 2^2115454101 is an apocalyptic number.

It is an amenable number.

2115454101 is a deficient number, since it is larger than the sum of its proper divisors (770747019).

2115454101 is a wasteful number, since it uses less digits than its factorization.

2115454101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16398915.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 2115454101 is about 45994.0659324657. The cubic root of 2115454101 is about 1283.7127921731.

Adding to 2115454101 its reverse (1014545112), we get a palindrome (3129999213).

The spelling of 2115454101 in words is "two billion, one hundred fifteen million, four hundred fifty-four thousand, one hundred one".