2151100214 has 4 divisors (see below), whose sum is σ = 3226650324. Its totient is φ = 1075550106.

The previous prime is 2151100213. The next prime is 2151100249. The reversal of 2151100214 is 4120011512.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2151100192 and 2151100201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151100213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537775052 + ... + 537775055.

It is an arithmetic number, because the mean of its divisors is an integer number (806662581).

Almost surely, 2^2151100214 is an apocalyptic number.

2151100214 is a deficient number, since it is larger than the sum of its proper divisors (1075550110).

2151100214 is a wasteful number, since it uses less digits than its factorization.

2151100214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075550109.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 2151100214 is about 46379.9548727680. The cubic root of 2151100214 is about 1290.8829990028.

Adding to 2151100214 its reverse (4120011512), we get a palindrome (6271111726).

The spelling of 2151100214 in words is "two billion, one hundred fifty-one million, one hundred thousand, two hundred fourteen".