2215125120 has 128 divisors (see below), whose sum is σ = 7603928640. Its totient is φ = 545255424.

The previous prime is 2215125113. The next prime is 2215125131. The reversal of 2215125120 is 215215122.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19414 + ... + 69333.

Almost surely, 2^2215125120 is an apocalyptic number.

2215125120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2215125120 is an abundant number, since it is smaller than the sum of its proper divisors (5388803520).

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

2215125120 is a wasteful number, since it uses less digits than its factorization.

2215125120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88782 (or 88770 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2215125120 is about 47065.1157440413. The cubic root of 2215125120 is about 1303.5651880626.

The spelling of 2215125120 in words is "two billion, two hundred fifteen million, one hundred twenty-five thousand, one hundred twenty".