2151102120 has 32 divisors (see below), whose sum is σ = 6453306720. Its totient is φ = 573627200.

The previous prime is 2151102103. The next prime is 2151102131. The reversal of 2151102120 is 212011512.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2151102120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8962806 + ... + 8963045.

It is an arithmetic number, because the mean of its divisors is an integer number (201665835).

Almost surely, 2^2151102120 is an apocalyptic number.

2151102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2151102120 is an abundant number, since it is smaller than the sum of its proper divisors (4302204600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2151102120 is a wasteful number, since it uses less digits than its factorization.

2151102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17925865 (or 17925861 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 2151102120 is about 46379.9754204333. The cubic root of 2151102120 is about 1290.8833802686.

Adding to 2151102120 its reverse (212011512), we get a palindrome (2363113632).

The spelling of 2151102120 in words is "two billion, one hundred fifty-one million, one hundred two thousand, one hundred twenty".